13223156040423 has 24 divisors (see below), whose sum is σ = 22186549615776. Its totient is φ = 7432218849600.

The previous prime is 13223156040407. The next prime is 13223156040433. The reversal of 13223156040423 is 32404065132231.

13223156040423 is a `hidden beast` number, since 1 + 3 + 2 + 2 + 3 + 1 + 5 + 604 + 0 + 42 + 3 = 666.

It is not a de Polignac number, because 13223156040423 - 2⁴ = 13223156040407 is a prime.

It is a super-2 number, since 2×13223156040423² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223156040433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1720417188 + ... + 1720424873.

It is an arithmetic number, because the mean of its divisors is an integer number (924439567324).

Almost surely, 2^{13223156040423} is an apocalyptic number.

13223156040423 is a deficient number, since it is larger than the sum of its proper divisors (8963393575353).

13223156040423 is a wasteful number, since it uses less digits than its factorization.

13223156040423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440842135 (or 3440842132 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 13223156040423 in words is "thirteen trillion, two hundred twenty-three billion, one hundred fifty-six million, forty thousand, four hundred twenty-three".