23197400 has 24 divisors (see below), whose sum is σ = 53934420. Its totient is φ = 9278880.

The previous prime is 23197399. The next prime is 23197417. The reversal of 23197400 is 479132.

It is a self number, because there is not a number n which added to its sum of digits gives 23197400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57794 + ... + 58193.

Almost surely, 2^23197400 is an apocalyptic number.

23197400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23197400 is an abundant number, since it is smaller than the sum of its proper divisors (30737020).

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

23197400 is a wasteful number, since it uses less digits than its factorization.

23197400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116003 (or 115994 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 23197400 is about 4816.3679261452. The cubic root of 23197400 is about 285.1979746851.

The spelling of 23197400 in words is "twenty-three million, one hundred ninety-seven thousand, four hundred".