23426515431 has 48 divisors (see below), whose sum is σ = 37279176480. Its totient is φ = 14058178560.

The previous prime is 23426515403. The next prime is 23426515451. The reversal of 23426515431 is 13451562432.

23426515431 is a `hidden beast` number, since 23 + 42 + 6 + 51 + 543 + 1 = 666.

It is not a de Polignac number, because 23426515431 - 2⁷ = 23426515303 is a prime.

It is a super-2 number, since 2×23426515431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23426515451) 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 47 ways as a sum of consecutive naturals, for example, 5870785 + ... + 5874773.

It is an arithmetic number, because the mean of its divisors is an integer number (776649510).

Almost surely, 2^23426515431 is an apocalyptic number.

23426515431 is a deficient number, since it is larger than the sum of its proper divisors (13852661049).

23426515431 is a wasteful number, since it uses less digits than its factorization.

23426515431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4576 (or 4573 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The spelling of 23426515431 in words is "twenty-three billion, four hundred twenty-six million, five hundred fifteen thousand, four hundred thirty-one".