2320865897 has 4 divisors (see below), whose sum is σ = 2652418176. Its totient is φ = 1989313620.

The previous prime is 2320865881. The next prime is 2320865927. The reversal of 2320865897 is 7985680232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2320865897 - 2⁴ = 2320865881 is a prime.

It is a super-2 number, since 2×2320865897² = 10772837023715229218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2320865867) 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, 165776129 + ... + 165776142.

It is an arithmetic number, because the mean of its divisors is an integer number (663104544).

Almost surely, 2^2320865897 is an apocalyptic number.

It is an amenable number.

2320865897 is a deficient number, since it is larger than the sum of its proper divisors (331552279).

2320865897 is an equidigital number, since it uses as much as digits as its factorization.

2320865897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331552278.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 2320865897 is about 48175.3660806018. The cubic root of 2320865897 is about 1323.9858663603.

The spelling of 2320865897 in words is "two billion, three hundred twenty million, eight hundred sixty-five thousand, eight hundred ninety-seven".