23431926 has 16 divisors (see below), whose sum is σ = 53558784. Its totient is φ = 6694824.

The previous prime is 23431901. The next prime is 23431927. The reversal of 23431926 is 62913432.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23431893 and 23431902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431927) 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, 278910 + ... + 278993.

It is an arithmetic number, because the mean of its divisors is an integer number (3347424).

Almost surely, 2^23431926 is an apocalyptic number.

23431926 is an abundant number, since it is smaller than the sum of its proper divisors (30126858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23431926 is a wasteful number, since it uses less digits than its factorization.

23431926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557915.

The product of its digits is 7776, while the sum is 30.

The square root of 23431926 is about 4840.6534682830. The cubic root of 23431926 is about 286.1558721296.

The spelling of 23431926 in words is "twenty-three million, four hundred thirty-one thousand, nine hundred twenty-six".