23012331 has 8 divisors (see below), whose sum is σ = 31053120. Its totient is φ = 15156552.

The previous prime is 23012309. The next prime is 23012333. The reversal of 23012331 is 13321032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23012331 - 2⁵ = 23012299 is a prime.

It is a super-2 number, since 2×23012331² = 1059134756107122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23012331.

It is not an unprimeable number, because it can be changed into a prime (23012333) 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, 45961 + ... + 46458.

It is an arithmetic number, because the mean of its divisors is an integer number (3881640).

Almost surely, 2^23012331 is an apocalyptic number.

23012331 is a deficient number, since it is larger than the sum of its proper divisors (8040789).

23012331 is an equidigital number, since it uses as much as digits as its factorization.

23012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92505.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 23012331 is about 4797.1169466670. The cubic root of 23012331 is about 284.4375116933.

Adding to 23012331 its reverse (13321032), we get a palindrome (36333363).

It can be divided in two parts, 230 and 12331, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 23012331 in words is "twenty-three million, twelve thousand, three hundred thirty-one".