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12423203310 = 235759158111
BaseRepresentation
bin10111001000111101…
…10000100111101110
31012001210110010011010
423210132300213232
5200420320001220
65412424210050
7616600325430
oct134436604756
935053403133
1012423203310
1152a5635581
1224a8609926
13122ca3b59b
1485bd02650
154ca9b91e0
hex2e47b09ee

12423203310 has 32 divisors (see below), whose sum is σ = 34075072512. Its totient is φ = 2839589280.

The previous prime is 12423203293. The next prime is 12423203323. The reversal of 12423203310 is 1330232421.

It is a super-2 number, since 2×124232033102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29578846 + ... + 29579265.

It is an arithmetic number, because the mean of its divisors is an integer number (1064846016).

Almost surely, 212423203310 is an apocalyptic number.

12423203310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12423203310 is an abundant number, since it is smaller than the sum of its proper divisors (21651869202).

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

12423203310 is a wasteful number, since it uses less digits than its factorization.

12423203310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59158128.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12423203310 its reverse (1330232421), we get a palindrome (13753435731).

The spelling of 12423203310 in words is "twelve billion, four hundred twenty-three million, two hundred three thousand, three hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 59158111 118316222 177474333 295790555 354948666 414106777 591581110 828213554 887371665 1242320331 1774743330 2070533885 2484640662 4141067770 6211601655 12423203310