23230881 has 10 divisors (see below), whose sum is σ = 34703042. Its totient is φ = 15487200.

The previous prime is 23230859. The next prime is 23230903. The reversal of 23230881 is 18803232.

It is an interprime number because it is at equal distance from previous prime (23230859) and next prime (23230903).

It can be written as a sum of positive squares in only one way, i.e., 23184225 + 46656 = 4815^2 + 216^2 .

It is not a de Polignac number, because 23230881 - 2⁶ = 23230817 is a prime.

It is a super-2 number, since 2×23230881² = 1079347664072322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23230841) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 143320 + ... + 143481.

Almost surely, 2^23230881 is an apocalyptic number.

It is an amenable number.

23230881 is a deficient number, since it is larger than the sum of its proper divisors (11472161).

23230881 is an equidigital number, since it uses as much as digits as its factorization.

23230881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286813 (or 286804 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 23230881 is about 4819.8424248102. The cubic root of 23230881 is about 285.3351182609.

It can be divided in two parts, 232 and 30881, that added together give a palindrome (31113).

The spelling of 23230881 in words is "twenty-three million, two hundred thirty thousand, eight hundred eighty-one".