23130123220 has 24 divisors (see below), whose sum is σ = 48597593184. Its totient is φ = 9247414176.

The previous prime is 23130123187. The next prime is 23130123239. The reversal of 23130123220 is 2232103132.

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, 248634 + ... + 328753.

It is an arithmetic number, because the mean of its divisors is an integer number (2024899716).

Almost surely, 2^23130123220 is an apocalyptic number.

23130123220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23130123220 is an abundant number, since it is smaller than the sum of its proper divisors (25467469964).

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

23130123220 is a wasteful number, since it uses less digits than its factorization.

23130123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579399 (or 579397 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23130123220 its reverse (2232103132), we get a palindrome (25362226352).

The spelling of 23130123220 in words is "twenty-three billion, one hundred thirty million, one hundred twenty-three thousand, two hundred twenty".