23406260431 has 6 divisors (see below), whose sum is σ = 24468170720. Its totient is φ = 22388596428.

The previous prime is 23406260393. The next prime is 23406260459. The reversal of 23406260431 is 13406260432.

It is not a de Polignac number, because 23406260431 - 2²³ = 23397871823 is a prime.

It is a super-2 number, since 2×23406260431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23406260393 and 23406260402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23406260131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22122591 + ... + 22123648.

Almost surely, 2^23406260431 is an apocalyptic number.

23406260431 is a deficient number, since it is larger than the sum of its proper divisors (1061910289).

23406260431 is an equidigital number, since it uses as much as digits as its factorization.

23406260431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44246285 (or 44246262 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Subtracting from 23406260431 its reverse (13406260432), we obtain a palindrome (9999999999).

The spelling of 23406260431 in words is "twenty-three billion, four hundred six million, two hundred sixty thousand, four hundred thirty-one".