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12423403332 = 2232548362939
BaseRepresentation
bin10111001000111111…
…00001011101000100
31012001210211021112100
423210133201131010
5200420342401312
65412432352100
7616602120534
oct134437413504
935053737470
1012423403332
1152a576188a
1224a86a5630
13122caab642
1485bd554c4
154caa085dc
hex2e47e1744

12423403332 has 36 divisors (see below), whose sum is σ = 31409829360. Its totient is φ = 4140313392.

The previous prime is 12423403303. The next prime is 12423403337. The reversal of 12423403332 is 23330432421.

12423403332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 12423403296 and 12423403305.

It is not an unprimeable number, because it can be changed into a prime (12423403337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165919 + ... + 228857.

It is an arithmetic number, because the mean of its divisors is an integer number (872495260).

Almost surely, 212423403332 is an apocalyptic number.

12423403332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12423403332 is an abundant number, since it is smaller than the sum of its proper divisors (18986426028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12423403332 is a wasteful number, since it uses less digits than its factorization.

12423403332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68432 (or 68427 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 12423403332 its reverse (23330432421), we get a palindrome (35753835753).

The spelling of 12423403332 in words is "twelve billion, four hundred twenty-three million, four hundred three thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 5483 10966 16449 21932 32898 49347 62939 65796 98694 125878 188817 197388 251756 377634 566451 755268 1132902 2265804 345094537 690189074 1035283611 1380378148 2070567222 3105850833 4141134444 6211701666 12423403332