23073500 has 24 divisors (see below), whose sum is σ = 50393616. Its totient is φ = 9229200.

The previous prime is 23073493. The next prime is 23073503. The reversal of 23073500 is 537032.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23073503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22574 + ... + 23573.

It is an arithmetic number, because the mean of its divisors is an integer number (2099734).

Almost surely, 2^23073500 is an apocalyptic number.

23073500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23073500 is an abundant number, since it is smaller than the sum of its proper divisors (27320116).

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

23073500 is a wasteful number, since it uses less digits than its factorization.

23073500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46166 (or 46154 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 20.

The square root of 23073500 is about 4803.4883157972. The cubic root of 23073500 is about 284.6893095232.

The spelling of 23073500 in words is "twenty-three million, seventy-three thousand, five hundred".