23042868 has 12 divisors (see below), whose sum is σ = 53766720. Its totient is φ = 7680952.

The previous prime is 23042819. The next prime is 23042869. The reversal of 23042868 is 86824032.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23042869) 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, 960108 + ... + 960131.

It is an arithmetic number, because the mean of its divisors is an integer number (4480560).

Almost surely, 2^23042868 is an apocalyptic number.

It is an amenable number.

23042868 is an abundant number, since it is smaller than the sum of its proper divisors (30723852).

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

23042868 is a wasteful number, since it uses less digits than its factorization.

23042868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920246 (or 1920244 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 23042868 is about 4800.2987407035. The cubic root of 23042868 is about 284.5632707791.

The spelling of 23042868 in words is "twenty-three million, forty-two thousand, eight hundred sixty-eight".