23500500 has 48 divisors (see below), whose sum is σ = 68437824. Its totient is φ = 6266400.

The previous prime is 23500471. The next prime is 23500501. The reversal of 23500500 is 500532.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23500500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23500501) 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 15 ways as a sum of consecutive naturals, for example, 6334 + ... + 9333.

It is an arithmetic number, because the mean of its divisors is an integer number (1425788).

Almost surely, 2^23500500 is an apocalyptic number.

23500500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23500500 is an abundant number, since it is smaller than the sum of its proper divisors (44937324).

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

23500500 is a wasteful number, since it uses less digits than its factorization.

23500500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15689 (or 15677 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 23500500 is about 4847.7314282043. The cubic root of 23500500 is about 286.4347472224.

The spelling of 23500500 in words is "twenty-three million, five hundred thousand, five hundred".