23120858 has 16 divisors (see below), whose sum is σ = 35195904. Its totient is φ = 11390400.

The previous prime is 23120857. The next prime is 23120873. The reversal of 23120858 is 85802132.

It is a self number, because there is not a number n which added to its sum of digits gives 23120858.

It is not an unprimeable number, because it can be changed into a prime (23120857) 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, 57458 + ... + 57858.

It is an arithmetic number, because the mean of its divisors is an integer number (2199744).

Almost surely, 2^23120858 is an apocalyptic number.

23120858 is a deficient number, since it is larger than the sum of its proper divisors (12075046).

23120858 is a wasteful number, since it uses less digits than its factorization.

23120858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757.

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

The square root of 23120858 is about 4808.4153314788. The cubic root of 23120858 is about 284.8839498789.

The spelling of 23120858 in words is "twenty-three million, one hundred twenty thousand, eight hundred fifty-eight".