23183946 has 12 divisors (see below), whose sum is σ = 50231922. Its totient is φ = 7727976.

The previous prime is 23183929. The next prime is 23183947. The reversal of 23183946 is 64938132.

It can be written as a sum of positive squares in only one way, i.e., 13505625 + 9678321 = 3675^2 + 3111^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23183946.

It is not an unprimeable number, because it can be changed into a prime (23183947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 643981 + ... + 644016.

Almost surely, 2^23183946 is an apocalyptic number.

23183946 is an abundant number, since it is smaller than the sum of its proper divisors (27047976).

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

23183946 is a wasteful number, since it uses less digits than its factorization.

23183946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288005 (or 1288002 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 23183946 is about 4814.9710279502. The cubic root of 23183946 is about 285.1428277635.

The spelling of 23183946 in words is "twenty-three million, one hundred eighty-three thousand, nine hundred forty-six".