23432100 has 72 divisors (see below), whose sum is σ = 69662208. Its totient is φ = 6076800.

The previous prime is 23432081. The next prime is 23432107. The reversal of 23432100 is 123432.

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 23432100.

It is not an unprimeable number, because it can be changed into a prime (23432107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10045 + ... + 12155.

Almost surely, 2^23432100 is an apocalyptic number.

23432100 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 23432100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34831104).

23432100 is an abundant number, since it is smaller than the sum of its proper divisors (46230108).

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

23432100 is a wasteful number, since it uses less digits than its factorization.

23432100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165 (or 2158 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 23432100 is about 4840.6714410296. The cubic root of 23432100 is about 286.1565804367.

Adding to 23432100 its reverse (123432), we get a palindrome (23555532).

It can be divided in two parts, 23432 and 100, that added together give a palindrome (23532).

The spelling of 23432100 in words is "twenty-three million, four hundred thirty-two thousand, one hundred".