2321604172 has 12 divisors (see below), whose sum is σ = 4161900456. Its totient is φ = 1132489760.

The previous prime is 2321604161. The next prime is 2321604179. The reversal of 2321604172 is 2714061232.

It is a self number, because there is not a number n which added to its sum of digits gives 2321604172.

It is not an unprimeable number, because it can be changed into a prime (2321604179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7077898 + ... + 7078225.

It is an arithmetic number, because the mean of its divisors is an integer number (346825038).

Almost surely, 2^2321604172 is an apocalyptic number.

It is an amenable number.

2321604172 is a deficient number, since it is larger than the sum of its proper divisors (1840296284).

2321604172 is a wasteful number, since it uses less digits than its factorization.

2321604172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14156168 (or 14156166 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2321604172 is about 48183.0278417619. The cubic root of 2321604172 is about 1324.1262395489.

The spelling of 2321604172 in words is "two billion, three hundred twenty-one million, six hundred four thousand, one hundred seventy-two".