23100400 has 30 divisors (see below), whose sum is σ = 55499672. Its totient is φ = 9240000.

The previous prime is 23100397. The next prime is 23100403. The reversal of 23100400 is 400132.

It is an interprime number because it is at equal distance from previous prime (23100397) and next prime (23100403).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23100403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28476 + ... + 29275.

Almost surely, 2^23100400 is an apocalyptic number.

23100400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23100400 is an abundant number, since it is smaller than the sum of its proper divisors (32399272).

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

23100400 is a wasteful number, since it uses less digits than its factorization.

23100400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57769 (or 57758 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 23100400 is about 4806.2875486180. The cubic root of 23100400 is about 284.7999005807.

Adding to 23100400 its reverse (400132), we get a palindrome (23500532).

The spelling of 23100400 in words is "twenty-three million, one hundred thousand, four hundred".