23131301230000 has 100 divisors (see below), whose sum is σ = 56017535156968. Its totient is φ = 9250151040000.

The previous prime is 23131301229937. The next prime is 23131301230019. The reversal of 23131301230000 is 3210313132.

It is a tau number, because it is divible by the number of its divisors (100).

It is a self number, because there is not a number n which added to its sum of digits gives 23131301230000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39015784 + ... + 39604216.

Almost surely, 2^{23131301230000} is an apocalyptic number.

23131301230000 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 23131301230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28008767578484).

23131301230000 is an abundant number, since it is smaller than the sum of its proper divisors (32886233926968).

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

23131301230000 is an equidigital number, since it uses as much as digits as its factorization.

23131301230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592392 (or 592371 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23131301230000 its reverse (3210313132), we get a palindrome (23134511543132).

The spelling of 23131301230000 in words is "twenty-three trillion, one hundred thirty-one billion, three hundred one million, two hundred thirty thousand".