23426331 has 4 divisors (see below), whose sum is σ = 31235112. Its totient is φ = 15617552.

The previous prime is 23426329. The next prime is 23426339. The reversal of 23426331 is 13362432.

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 23426331 - 2¹ = 23426329 is a prime.

It is a super-2 number, since 2×23426331² = 1097585968243122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23426339) 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, 3904386 + ... + 3904391.

It is an arithmetic number, because the mean of its divisors is an integer number (7808778).

Almost surely, 2^23426331 is an apocalyptic number.

23426331 is a deficient number, since it is larger than the sum of its proper divisors (7808781).

23426331 is an equidigital number, since it uses as much as digits as its factorization.

23426331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7808780.

The product of its digits is 2592, while the sum is 24.

The square root of 23426331 is about 4840.0755159398. The cubic root of 23426331 is about 286.1330945234.

Adding to 23426331 its reverse (13362432), we get a palindrome (36788763).

It can be divided in two parts, 234 and 26331, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 23426331 in words is "twenty-three million, four hundred twenty-six thousand, three hundred thirty-one".