23122510400000 has 480 divisors, whose sum is σ = 64462904485056. Its totient is φ = 8212377600000.

The previous prime is 23122510399949. The next prime is 23122510400021. The reversal of 23122510400000 is 401522132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 756784724 + ... + 756815276.

Almost surely, 2^{23122510400000} is an apocalyptic number.

23122510400000 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 23122510400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32231452242528).

23122510400000 is an abundant number, since it is smaller than the sum of its proper divisors (41340394085056).

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

23122510400000 is an frugal number, since it uses more digits than its factorization.

23122510400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30650 (or 30614 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 23122510400000 its reverse (401522132), we get a palindrome (23122911922132).

The spelling of 23122510400000 in words is "twenty-three trillion, one hundred twenty-two billion, five hundred ten million, four hundred thousand".