2321904374285 has 4 divisors (see below), whose sum is σ = 2786285249148. Its totient is φ = 1857523499424.

The previous prime is 2321904374261. The next prime is 2321904374327. The reversal of 2321904374285 is 5824734091232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 245014110121 + 2076890264164 = 494989^2 + 1441142^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321904374285 - 2¹² = 2321904370189 is a prime.

It is a super-2 number, since 2×2321904374285² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232190437424 + ... + 232190437433.

It is an arithmetic number, because the mean of its divisors is an integer number (696571312287).

Almost surely, 2^{2321904374285} is an apocalyptic number.

It is an amenable number.

2321904374285 is a deficient number, since it is larger than the sum of its proper divisors (464380874863).

2321904374285 is an equidigital number, since it uses as much as digits as its factorization.

2321904374285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464380874862.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 2321904374285 in words is "two trillion, three hundred twenty-one billion, nine hundred four million, three hundred seventy-four thousand, two hundred eighty-five".