23397136 has 40 divisors (see below), whose sum is σ = 52050240. Its totient is φ = 9980544.

The previous prime is 23397131. The next prime is 23397139. The reversal of 23397136 is 63179332.

It is not an unprimeable number, because it can be changed into a prime (23397131) 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, 35175 + ... + 35833.

It is an arithmetic number, because the mean of its divisors is an integer number (1301256).

Almost surely, 2^23397136 is an apocalyptic number.

It is an amenable number.

23397136 is an abundant number, since it is smaller than the sum of its proper divisors (28653104).

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

23397136 is a wasteful number, since it uses less digits than its factorization.

23397136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 985 counting only the distinct ones).

The product of its digits is 20412, while the sum is 34.

The square root of 23397136 is about 4837.0586103540. The cubic root of 23397136 is about 286.0141809194.

The spelling of 23397136 in words is "twenty-three million, three hundred ninety-seven thousand, one hundred thirty-six".