23426831 has 4 divisors (see below), whose sum is σ = 23440032. Its totient is φ = 23413632.

The previous prime is 23426827. The next prime is 23426839. The reversal of 23426831 is 13862432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23426831 - 2² = 23426827 is a prime.

It is a super-2 number, since 2×23426831² = 1097632821405122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23426794 and 23426803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23426839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3431 + ... + 7656.

It is an arithmetic number, because the mean of its divisors is an integer number (5860008).

Almost surely, 2^23426831 is an apocalyptic number.

23426831 is a deficient number, since it is larger than the sum of its proper divisors (13201).

23426831 is a wasteful number, since it uses less digits than its factorization.

23426831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13200.

The product of its digits is 6912, while the sum is 29.

The square root of 23426831 is about 4840.1271677509. The cubic root of 23426831 is about 286.1351302032.

The spelling of 23426831 in words is "twenty-three million, four hundred twenty-six thousand, eight hundred thirty-one".