23191232 has 14 divisors (see below), whose sum is σ = 46020228. Its totient is φ = 11595584.

The previous prime is 23191219. The next prime is 23191237. The reversal of 23191232 is 23219132.

It is a junction number, because it is equal to n+sod(n) for n = 23191198 and 23191207.

It is not an unprimeable number, because it can be changed into a prime (23191237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181118 + ... + 181245.

Almost surely, 2^23191232 is an apocalyptic number.

It is an amenable number.

23191232 is a deficient number, since it is larger than the sum of its proper divisors (22828996).

23191232 is an equidigital number, since it uses as much as digits as its factorization.

23191232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362375 (or 362365 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 23191232 is about 4815.7275670453. The cubic root of 23191232 is about 285.1726951704.

The spelling of 23191232 in words is "twenty-three million, one hundred ninety-one thousand, two hundred thirty-two".