23300400 has 60 divisors (see below), whose sum is σ = 74642792. Its totient is φ = 6213120.

The previous prime is 23300393. The next prime is 23300401. The reversal of 23300400 is 400332.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (23300401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8509 + ... + 10908.

Almost surely, 2^23300400 is an apocalyptic number.

23300400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23300400 is an abundant number, since it is smaller than the sum of its proper divisors (51342392).

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

23300400 is a wasteful number, since it uses less digits than its factorization.

23300400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19438 (or 19427 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 23300400 is about 4827.0487878206. The cubic root of 23300400 is about 285.6194590073.

Adding to 23300400 its reverse (400332), we get a palindrome (23700732).

The spelling of 23300400 in words is "twenty-three million, three hundred thousand, four hundred".