23390232 has 32 divisors (see below), whose sum is σ = 61916400. Its totient is φ = 7337984.

The previous prime is 23390221. The next prime is 23390239. The reversal of 23390232 is 23209332.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23390239) 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, 28257 + ... + 29072.

Almost surely, 2^23390232 is an apocalyptic number.

It is an amenable number.

23390232 is an abundant number, since it is smaller than the sum of its proper divisors (38526168).

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

23390232 is a wasteful number, since it uses less digits than its factorization.

23390232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57355 (or 57351 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 23390232 is about 4836.3449008523. The cubic root of 23390232 is about 285.9860459066.

Adding to 23390232 its reverse (23209332), we get a palindrome (46599564).

The spelling of 23390232 in words is "twenty-three million, three hundred ninety thousand, two hundred thirty-two".