23104020 has 48 divisors (see below), whose sum is σ = 68499648. Its totient is φ = 5798400.

The previous prime is 23104013. The next prime is 23104027. The reversal of 23104020 is 2040132.

It is an interprime number because it is at equal distance from previous prime (23104013) and next prime (23104027).

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 = 23103987 and 23104005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23104027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10306 + ... + 12345.

It is an arithmetic number, because the mean of its divisors is an integer number (1427076).

Almost surely, 2^23104020 is an apocalyptic number.

23104020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23104020 is an abundant number, since it is smaller than the sum of its proper divisors (45395628).

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

23104020 is a wasteful number, since it uses less digits than its factorization.

23104020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22680 (or 22678 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 23104020 is about 4806.6641239013. The cubic root of 23104020 is about 284.8147765394.

Adding to 23104020 its reverse (2040132), we get a palindrome (25144152).

The spelling of 23104020 in words is "twenty-three million, one hundred four thousand, twenty".