13056623431 has 8 divisors (see below), whose sum is σ = 13500249728. Its totient is φ = 12614400000.

The previous prime is 13056623413. The next prime is 13056623443. The reversal of 13056623431 is 13432665031.

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 13056623431 - 2⁹ = 13056622919 is a prime.

It is a super-2 number, since 2×13056623431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13056623401) 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, 331770 + ... + 369031.

It is an arithmetic number, because the mean of its divisors is an integer number (1687531216).

Almost surely, 2^13056623431 is an apocalyptic number.

13056623431 is a deficient number, since it is larger than the sum of its proper divisors (443626297).

13056623431 is an equidigital number, since it uses as much as digits as its factorization.

13056623431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701433.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 13056623431 in words is "thirteen billion, fifty-six million, six hundred twenty-three thousand, four hundred thirty-one".