23130123320 has 32 divisors (see below), whose sum is σ = 52056436320. Its totient is φ = 9249621120.

The previous prime is 23130123299. The next prime is 23130123343. The reversal of 23130123320 is 2332103132.

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

It is a junction number, because it is equal to n+sod(n) for n = 23130123292 and 23130123301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82514 + ... + 230366.

It is an arithmetic number, because the mean of its divisors is an integer number (1626763635).

Almost surely, 2^23130123320 is an apocalyptic number.

23130123320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23130123320 is an abundant number, since it is smaller than the sum of its proper divisors (28926313000).

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

23130123320 is a wasteful number, since it uses less digits than its factorization.

23130123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151775 (or 151771 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23130123320 its reverse (2332103132), we get a palindrome (25462226452).

The spelling of 23130123320 in words is "twenty-three billion, one hundred thirty million, one hundred twenty-three thousand, three hundred twenty".