23289400 has 24 divisors (see below), whose sum is σ = 54148320. Its totient is φ = 9315680.

The previous prime is 23289397. The next prime is 23289443. The reversal of 23289400 is 498232.

It is a congruent number.

It is an unprimeable number.

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, 58024 + ... + 58423.

It is an arithmetic number, because the mean of its divisors is an integer number (2256180).

Almost surely, 2^23289400 is an apocalyptic number.

23289400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23289400 is an abundant number, since it is smaller than the sum of its proper divisors (30858920).

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

23289400 is a wasteful number, since it uses less digits than its factorization.

23289400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116463 (or 116454 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 23289400 is about 4825.9092407545. The cubic root of 23289400 is about 285.5745054358.

The spelling of 23289400 in words is "twenty-three million, two hundred eighty-nine thousand, four hundred".