23113120 has 48 divisors (see below), whose sum is σ = 57486240. Its totient is φ = 8757504.

The previous prime is 23113099. The next prime is 23113121. The reversal of 23113120 is 2131132.

It is a super-2 number, since 2×23113120² = 1068432632268800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23113120.

It is not an unprimeable number, because it can be changed into a prime (23113121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762 + ... + 6841.

It is an arithmetic number, because the mean of its divisors is an integer number (1197630).

Almost surely, 2^23113120 is an apocalyptic number.

23113120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23113120 is an abundant number, since it is smaller than the sum of its proper divisors (34373120).

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

23113120 is a wasteful number, since it uses less digits than its factorization.

23113120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7637 (or 7629 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 23113120 is about 4807.6106331524. The cubic root of 23113120 is about 284.8521650438.

Adding to 23113120 its reverse (2131132), we get a palindrome (25244252).

The spelling of 23113120 in words is "twenty-three million, one hundred thirteen thousand, one hundred twenty".