23203432100 has 36 divisors (see below), whose sum is σ = 51522421104. Its totient is φ = 9065525280.

The previous prime is 23203432019. The next prime is 23203432117. The reversal of 23203432100 is 123430232.

It is a super-2 number, since 2×23203432100² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2693774 + ... + 2702373.

It is an arithmetic number, because the mean of its divisors is an integer number (1431178364).

Almost surely, 2^23203432100 is an apocalyptic number.

23203432100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23203432100 is an abundant number, since it is smaller than the sum of its proper divisors (28318989004).

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

23203432100 is a wasteful number, since it uses less digits than its factorization.

23203432100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5396204 (or 5396197 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23203432100 its reverse (123430232), we get a palindrome (23326862332).

The spelling of 23203432100 in words is "twenty-three billion, two hundred three million, four hundred thirty-two thousand, one hundred".