23180994 has 24 divisors (see below), whose sum is σ = 51846912. Its totient is φ = 7477560.

The previous prime is 23180959. The next prime is 23181001. The reversal of 23180994 is 49908132.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20214 + ... + 21329.

It is an arithmetic number, because the mean of its divisors is an integer number (2160288).

Almost surely, 2^23180994 is an apocalyptic number.

23180994 is an abundant number, since it is smaller than the sum of its proper divisors (28665918).

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

23180994 is a wasteful number, since it uses less digits than its factorization.

23180994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41582 (or 41579 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 23180994 is about 4814.6644742910. The cubic root of 23180994 is about 285.1307248863.

It can be divided in two parts, 231 and 80994, that added together give a square (81225 = 285²).

The spelling of 23180994 in words is "twenty-three million, one hundred eighty thousand, nine hundred ninety-four".