2328493921 has 8 divisors (see below), whose sum is σ = 2541960680. Its totient is φ = 2119934592.

The previous prime is 2328493913. The next prime is 2328493931. The reversal of 2328493921 is 1293948232.

It can be written as a sum of positive squares in 4 ways, for example, as 299982400 + 2028511521 = 17320^2 + 45039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2328493921 - 2³ = 2328493913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2328493901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225866 + ... + 1227763.

It is an arithmetic number, because the mean of its divisors is an integer number (317745085).

Almost surely, 2^2328493921 is an apocalyptic number.

It is an amenable number.

2328493921 is a deficient number, since it is larger than the sum of its proper divisors (213466759).

2328493921 is a wasteful number, since it uses less digits than its factorization.

2328493921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453715.

The product of its digits is 186624, while the sum is 43.

The square root of 2328493921 is about 48254.4704768377. The cubic root of 2328493921 is about 1325.4348013642.

The spelling of 2328493921 in words is "two billion, three hundred twenty-eight million, four hundred ninety-three thousand, nine hundred twenty-one".