23012100000 has 432 divisors, whose sum is σ = 84914627616. Its totient is φ = 6130080000.

The previous prime is 23012099941. The next prime is 23012100019. The reversal of 23012100000 is 121032.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 24299527 + ... + 24300473.

It is an arithmetic number, because the mean of its divisors is an integer number (196561638).

Almost surely, 2^23012100000 is an apocalyptic number.

23012100000 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 23012100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42457313808).

23012100000 is an abundant number, since it is smaller than the sum of its proper divisors (61902527616).

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

23012100000 is an frugal number, since it uses more digits than its factorization.

23012100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 23012100000 its reverse (121032), we get a palindrome (23012221032).

The spelling of 23012100000 in words is "twenty-three billion, twelve million, one hundred thousand".