23431012100 has 72 divisors (see below), whose sum is σ = 53765892096. Its totient is φ = 8848800000.

The previous prime is 23431012091. The next prime is 23431012103. The reversal of 23431012100 is 121013432.

It is not an unprimeable number, because it can be changed into a prime (23431012103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34925 + ... + 219275.

Almost surely, 2^23431012100 is an apocalyptic number.

23431012100 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 23431012100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26882946048).

23431012100 is an abundant number, since it is smaller than the sum of its proper divisors (30334879996).

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

23431012100 is a wasteful number, since it uses less digits than its factorization.

23431012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184437 (or 184430 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23431012100 its reverse (121013432), we get a palindrome (23552025532).

The spelling of 23431012100 in words is "twenty-three billion, four hundred thirty-one million, twelve thousand, one hundred".