23039556 has 24 divisors (see below), whose sum is σ = 56921760. Its totient is φ = 7228032.

The previous prime is 23039551. The next prime is 23039557. The reversal of 23039556 is 65593032.

It is a super-2 number, since 2×23039556² = 1061642281354272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23039551) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 56266 + ... + 56673.

It is an arithmetic number, because the mean of its divisors is an integer number (2371740).

Almost surely, 2^23039556 is an apocalyptic number.

It is an amenable number.

23039556 is an abundant number, since it is smaller than the sum of its proper divisors (33882204).

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

23039556 is a wasteful number, since it uses less digits than its factorization.

23039556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112963 (or 112961 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 33.

The square root of 23039556 is about 4799.9537497772. The cubic root of 23039556 is about 284.5496364995.

The spelling of 23039556 in words is "twenty-three million, thirty-nine thousand, five hundred fifty-six".