23024520 has 64 divisors (see below), whose sum is σ = 76752000. Its totient is φ = 6139584.

The previous prime is 23024513. The next prime is 23024539. The reversal of 23024520 is 2542032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23024493 and 23024502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9580 + ... + 11739.

It is an arithmetic number, because the mean of its divisors is an integer number (1199250).

Almost surely, 2^23024520 is an apocalyptic number.

23024520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23024520 is an abundant number, since it is smaller than the sum of its proper divisors (53727480).

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

23024520 is a wasteful number, since it uses less digits than its factorization.

23024520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21339 (or 21329 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 23024520 is about 4798.3872290594. The cubic root of 23024520 is about 284.4877224098.

Adding to 23024520 its reverse (2542032), we get a palindrome (25566552).

The spelling of 23024520 in words is "twenty-three million, twenty-four thousand, five hundred twenty".