23013020 has 12 divisors (see below), whose sum is σ = 48327384. Its totient is φ = 9205200.

The previous prime is 23013007. The next prime is 23013059. The reversal of 23013020 is 2031032.

It is a junction number, because it is equal to n+sod(n) for n = 23012992 and 23013010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575306 + ... + 575345.

It is an arithmetic number, because the mean of its divisors is an integer number (4027282).

Almost surely, 2^23013020 is an apocalyptic number.

23013020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23013020 is an abundant number, since it is smaller than the sum of its proper divisors (25314364).

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

23013020 is a wasteful number, since it uses less digits than its factorization.

23013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150660 (or 1150658 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 23013020 is about 4797.1887600969. The cubic root of 23013020 is about 284.4403503959.

Adding to 23013020 its reverse (2031032), we get a palindrome (25044052).

The spelling of 23013020 in words is "twenty-three million, thirteen thousand, twenty".