23132312100 has 216 divisors, whose sum is σ = 78463519680. Its totient is φ = 5900273280.

The previous prime is 23132312089. The next prime is 23132312117. The reversal of 23132312100 is 121323132.

23132312100 is a `hidden beast` number, since 231 + 323 + 12 + 100 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 538206 + ... + 579594.

Almost surely, 2^23132312100 is an apocalyptic number.

23132312100 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 23132312100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39231759840).

23132312100 is an abundant number, since it is smaller than the sum of its proper divisors (55331207580).

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

23132312100 is a wasteful number, since it uses less digits than its factorization.

23132312100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41441 (or 41422 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23132312100 its reverse (121323132), we get a palindrome (23253635232).

The spelling of 23132312100 in words is "twenty-three billion, one hundred thirty-two million, three hundred twelve thousand, one hundred".