23523820 has 12 divisors (see below), whose sum is σ = 49400064. Its totient is φ = 9409520.

The previous prime is 23523817. The next prime is 23523821. The reversal of 23523820 is 2832532.

It is not an unprimeable number, because it can be changed into a prime (23523821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588076 + ... + 588115.

It is an arithmetic number, because the mean of its divisors is an integer number (4116672).

Almost surely, 2^23523820 is an apocalyptic number.

23523820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23523820 is an abundant number, since it is smaller than the sum of its proper divisors (25876244).

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

23523820 is a wasteful number, since it uses less digits than its factorization.

23523820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176200 (or 1176198 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 23523820 is about 4850.1360805652. The cubic root of 23523820 is about 286.5294608111.

The spelling of 23523820 in words is "twenty-three million, five hundred twenty-three thousand, eight hundred twenty".