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12423001013 = 83367407833
BaseRepresentation
bin10111001000111011…
…11111001110110101
31012001210001211122122
423210131333032311
5200420242013023
65412420005325
7616565523563
oct134435771665
935053054578
1012423001013
1152a5507595
1224a8530845
13122c99a497
1485bc8ca33
154ca9792c8
hex2e477f3b5

12423001013 has 8 divisors (see below), whose sum is σ = 12606964608. Its totient is φ = 12239853984.

The previous prime is 12423000959. The next prime is 12423001049. The reversal of 12423001013 is 31010032421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12423001013 - 222 = 12418806709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12423000982 and 12423001000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423001813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173456 + ... + 234377.

It is an arithmetic number, because the mean of its divisors is an integer number (1575870576).

Almost surely, 212423001013 is an apocalyptic number.

It is an amenable number.

12423001013 is a deficient number, since it is larger than the sum of its proper divisors (183963595).

12423001013 is an equidigital number, since it uses as much as digits as its factorization.

12423001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408283.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12423001013 its reverse (31010032421), we get a palindrome (43433033434).

The spelling of 12423001013 in words is "twelve billion, four hundred twenty-three million, one thousand, thirteen".

Divisors: 1 83 367 30461 407833 33850139 149674711 12423001013