23820506 has 4 divisors (see below), whose sum is σ = 35730762. Its totient is φ = 11910252.

The previous prime is 23820497. The next prime is 23820521. The reversal of 23820506 is 60502832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15171025 + 8649481 = 3895^2 + 2941^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5955125 + ... + 5955128.

Almost surely, 2^23820506 is an apocalyptic number.

23820506 is a deficient number, since it is larger than the sum of its proper divisors (11910256).

23820506 is a wasteful number, since it uses less digits than its factorization.

23820506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11910255.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 23820506 is about 4880.6255746574. The cubic root of 23820506 is about 287.7290162619.

The spelling of 23820506 in words is "twenty-three million, eight hundred twenty thousand, five hundred six".