23028400 has 30 divisors (see below), whose sum is σ = 55326692. Its totient is φ = 9211200.

The previous prime is 23028371. The next prime is 23028403. The reversal of 23028400 is 482032.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23028403) 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, 28386 + ... + 29185.

Almost surely, 2^23028400 is an apocalyptic number.

23028400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23028400 is an abundant number, since it is smaller than the sum of its proper divisors (32298292).

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

23028400 is a wasteful number, since it uses less digits than its factorization.

23028400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57589 (or 57578 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 23028400 is about 4798.7915145378. The cubic root of 23028400 is about 284.5037017566.

The spelling of 23028400 in words is "twenty-three million, twenty-eight thousand, four hundred".