23210400000 has 432 divisors, whose sum is σ = 81435412800. Its totient is φ = 5852160000.

The previous prime is 23210399987. The next prime is 23210400007. The reversal of 23210400000 is 401232.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (23210400007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45599746 + ... + 45600254.

It is an arithmetic number, because the mean of its divisors is an integer number (188507900).

Almost surely, 2^23210400000 is an apocalyptic number.

23210400000 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 23210400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40717706400).

23210400000 is an abundant number, since it is smaller than the sum of its proper divisors (58225012800).

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

23210400000 is an frugal number, since it uses more digits than its factorization.

23210400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 23210400000 its reverse (401232), we get a palindrome (23210801232).

The spelling of 23210400000 in words is "twenty-three billion, two hundred ten million, four hundred thousand".