23125500 has 120 divisors (see below), whose sum is σ = 75579504. Its totient is φ = 6156000.

The previous prime is 23125469. The next prime is 23125513. The reversal of 23125500 is 552132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 40215 + ... + 40785.

Almost surely, 2^23125500 is an apocalyptic number.

23125500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23125500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37789752).

23125500 is an abundant number, since it is smaller than the sum of its proper divisors (52454004).

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

23125500 is a wasteful number, since it uses less digits than its factorization.

23125500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 23125500 is about 4808.8980026613. The cubic root of 23125500 is about 284.9030140907.

Adding to 23125500 its reverse (552132), we get a palindrome (23677632).

The spelling of 23125500 in words is "twenty-three million, one hundred twenty-five thousand, five hundred".