23130400120000 has 280 divisors, whose sum is σ = 61398022593600. Its totient is φ = 8616624768000.

The previous prime is 23130400119977. The next prime is 23130400120033. The reversal of 23130400120000 is 2100403132.

It is a happy number.

It is a super-2 number, since 2×23130400120000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 44582079 + ... + 45097921.

It is an arithmetic number, because the mean of its divisors is an integer number (219278652120).

Almost surely, 2^{23130400120000} is an apocalyptic number.

23130400120000 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 23130400120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30699011296800).

23130400120000 is an abundant number, since it is smaller than the sum of its proper divisors (38267622473600).

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

23130400120000 is an equidigital number, since it uses as much as digits as its factorization.

23130400120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515953 (or 515928 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23130400120000 its reverse (2100403132), we get a palindrome (23132500523132).

The spelling of 23130400120000 in words is "twenty-three trillion, one hundred thirty billion, four hundred million, one hundred twenty thousand".