23123130120 has 96 divisors (see below), whose sum is σ = 75305056320. Its totient is φ = 6153459840.

The previous prime is 23123130097. The next prime is 23123130137. The reversal of 23123130120 is 2103132132.

23123130120 is a `hidden beast` number, since 2 + 312 + 31 + 301 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23123130093 and 23123130102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109375 + ... + 241265.

It is an arithmetic number, because the mean of its divisors is an integer number (784427670).

Almost surely, 2^23123130120 is an apocalyptic number.

23123130120 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 23123130120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37652528160).

23123130120 is an abundant number, since it is smaller than the sum of its proper divisors (52181926200).

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

23123130120 is a wasteful number, since it uses less digits than its factorization.

23123130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132395 (or 132388 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23123130120 its reverse (2103132132), we get a palindrome (25226262252).

The spelling of 23123130120 in words is "twenty-three billion, one hundred twenty-three million, one hundred thirty thousand, one hundred twenty".