23012858 has 16 divisors (see below), whose sum is σ = 38136960. Its totient is φ = 10327200.

The previous prime is 23012839. The next prime is 23012861. The reversal of 23012858 is 85821032.

It is a self number, because there is not a number n which added to its sum of digits gives 23012858.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4883 + ... + 8358.

It is an arithmetic number, because the mean of its divisors is an integer number (2383560).

Almost surely, 2^23012858 is an apocalyptic number.

23012858 is a deficient number, since it is larger than the sum of its proper divisors (15124102).

23012858 is a wasteful number, since it uses less digits than its factorization.

23012858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13333.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 23012858 is about 4797.1718751781. The cubic root of 23012858 is about 284.4396829557.

The spelling of 23012858 in words is "twenty-three million, twelve thousand, eight hundred fifty-eight".