23111994 has 16 divisors (see below), whose sum is σ = 46271232. Its totient is φ = 7696128.

The previous prime is 23111983. The next prime is 23112007. The reversal of 23111994 is 49911132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9882 + ... + 11994.

It is an arithmetic number, because the mean of its divisors is an integer number (2891952).

Almost surely, 2^23111994 is an apocalyptic number.

23111994 is an abundant number, since it is smaller than the sum of its proper divisors (23159238).

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

23111994 is a wasteful number, since it uses less digits than its factorization.

23111994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941.

The product of its digits is 1944, while the sum is 30.

The square root of 23111994 is about 4807.4935257367. The cubic root of 23111994 is about 284.8475392621.

The spelling of 23111994 in words is "twenty-three million, one hundred eleven thousand, nine hundred ninety-four".