23210511000000 has 392 divisors, whose sum is σ = 77166752252928. Its totient is φ = 6156912000000.

The previous prime is 23210510999993. The next prime is 23210511000013. The reversal of 23210511000000 is 11501232.

It is a super-2 number, since 2×23210511000000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 572979747 + ... + 573020253.

Almost surely, 2^{23210511000000} is an apocalyptic number.

23210511000000 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 23210511000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38583376126464).

23210511000000 is an abundant number, since it is smaller than the sum of its proper divisors (53956241252928).

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

23210511000000 is an frugal number, since it uses more digits than its factorization.

23210511000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40743 (or 40708 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

Adding to 23210511000000 its reverse (11501232), we get a palindrome (23210522501232).

The spelling of 23210511000000 in words is "twenty-three trillion, two hundred ten billion, five hundred eleven million", and thus it is an aban number.