23297500 has 30 divisors (see below), whose sum is σ = 50952440. Its totient is φ = 9318000.

The previous prime is 23297489. The next prime is 23297501. The reversal of 23297500 is 579232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23297501) 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, 2160 + ... + 7159.

Almost surely, 2^23297500 is an apocalyptic number.

23297500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23297500 is an abundant number, since it is smaller than the sum of its proper divisors (27654940).

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

23297500 is an equidigital number, since it uses as much as digits as its factorization.

23297500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9343 (or 9326 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 23297500 is about 4826.7483878901. The cubic root of 23297500 is about 285.6076089847.

The spelling of 23297500 in words is "twenty-three million, two hundred ninety-seven thousand, five hundred".