23508920 has 64 divisors (see below), whose sum is σ = 54825120. Its totient is φ = 9068544.

The previous prime is 23508913. The next prime is 23508929. The reversal of 23508920 is 2980532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23508929) 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, 242312 + ... + 242408.

Almost surely, 2^23508920 is an apocalyptic number.

23508920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23508920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27412560).

23508920 is an abundant number, since it is smaller than the sum of its proper divisors (31316200).

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

23508920 is a wasteful number, since it uses less digits than its factorization.

23508920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 23508920 is about 4848.5997978798. The cubic root of 23508920 is about 286.4689520633.

The spelling of 23508920 in words is "twenty-three million, five hundred eight thousand, nine hundred twenty".