23130120 has 64 divisors (see below), whose sum is σ = 74733120. Its totient is φ = 5693184.

The previous prime is 23130113. The next prime is 23130131. The reversal of 23130120 is 2103132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 23130096 and 23130105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5854 + ... + 8973.

It is an arithmetic number, because the mean of its divisors is an integer number (1167705).

Almost surely, 2^23130120 is an apocalyptic number.

23130120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23130120 is an abundant number, since it is smaller than the sum of its proper divisors (51603000).

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

23130120 is a wasteful number, since it uses less digits than its factorization.

23130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14854 (or 14850 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 23130120 is about 4809.3783382055. The cubic root of 23130120 is about 284.9219854179.

Adding to 23130120 its reverse (2103132), we get a palindrome (25233252).

The spelling of 23130120 in words is "twenty-three million, one hundred thirty thousand, one hundred twenty".