23390868 has 24 divisors (see below), whose sum is σ = 54667872. Its totient is φ = 7784224.

The previous prime is 23390867. The next prime is 23390897. The reversal of 23390868 is 86809332.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23390863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8746 + ... + 11102.

It is an arithmetic number, because the mean of its divisors is an integer number (2277828).

Almost surely, 2^23390868 is an apocalyptic number.

It is an amenable number.

23390868 is an abundant number, since it is smaller than the sum of its proper divisors (31277004).

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

23390868 is a wasteful number, since it uses less digits than its factorization.

23390868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191 (or 3189 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 23390868 is about 4836.4106525398. The cubic root of 23390868 is about 285.9886379498.

The spelling of 23390868 in words is "twenty-three million, three hundred ninety thousand, eight hundred sixty-eight".