320888023 has 4 divisors (see below), whose sum is σ = 326942568. Its totient is φ = 314833480.

The previous prime is 320888011. The next prime is 320888027.

320888023 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 320888023 - 2¹⁷ = 320756951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320888023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320888027) 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, 3027193 + ... + 3027298.

It is an arithmetic number, because the mean of its divisors is an integer number (81735642).

Almost surely, 2^320888023 is an apocalyptic number.

320888023 is a deficient number, since it is larger than the sum of its proper divisors (6054545).

320888023 is an equidigital number, since it uses as much as digits as its factorization.

320888023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6054544.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 320888023 is about 17913.3476212572. The cubic root of 320888023 is about 684.6225017893.

The spelling of 320888023 in words is "three hundred twenty million, eight hundred eighty-eight thousand, twenty-three".