23132500 has 60 divisors (see below), whose sum is σ = 53357920. Its totient is φ = 8748000.

The previous prime is 23132497. The next prime is 23132509. The reversal of 23132500 is 523132.

It is a super-2 number, since 2×23132500² = 1070225112500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23132509) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47257 + ... + 47743.

Almost surely, 2^23132500 is an apocalyptic number.

23132500 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 23132500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26678960).

23132500 is an abundant number, since it is smaller than the sum of its proper divisors (30225420).

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

23132500 is a wasteful number, since it uses less digits than its factorization.

23132500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 23132500 is about 4809.6257650674. The cubic root of 23132500 is about 284.9317575400.

Adding to 23132500 its reverse (523132), we get a palindrome (23655632).

It can be divided in two parts, 23132 and 500, that added together give a palindrome (23632).

The spelling of 23132500 in words is "twenty-three million, one hundred thirty-two thousand, five hundred".