23015668 has 12 divisors (see below), whose sum is σ = 43375780. Its totient is φ = 10622592.

The previous prime is 23015633. The next prime is 23015687. The reversal of 23015668 is 86651032.

It can be written as a sum of positive squares in 2 ways, for example, as 8054244 + 14961424 = 2838^2 + 3868^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221253 + ... + 221356.

Almost surely, 2^23015668 is an apocalyptic number.

It is an amenable number.

23015668 is a deficient number, since it is larger than the sum of its proper divisors (20360112).

23015668 is a wasteful number, since it uses less digits than its factorization.

23015668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442626 (or 442624 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 23015668 is about 4797.4647471347. The cubic root of 23015668 is about 284.4512597154.

The spelling of 23015668 in words is "twenty-three million, fifteen thousand, six hundred sixty-eight".