320464023 has 24 divisors (see below), whose sum is σ = 478551024. Its totient is φ = 190544640.

The previous prime is 320464021. The next prime is 320464063.

It is a happy number.

320464023 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 320464023 - 2¹ = 320464021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320463984 and 320464002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320464021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10911 + ... + 27567.

It is an arithmetic number, because the mean of its divisors is an integer number (19939626).

Almost surely, 2^320464023 is an apocalyptic number.

320464023 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

320464023 is a deficient number, since it is larger than the sum of its proper divisors (158087001).

320464023 is a wasteful number, since it uses less digits than its factorization.

320464023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16735 (or 16724 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 320464023 is about 17901.5089587442. The cubic root of 320464023 is about 684.3208307327.

The spelling of 320464023 in words is "three hundred twenty million, four hundred sixty-four thousand, twenty-three".