320633023 has 4 divisors (see below), whose sum is σ = 322294528. Its totient is φ = 318971520.

The previous prime is 320633021. The next prime is 320633051. The reversal of 320633023 is 320336023.

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 320633023 - 2¹ = 320633021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320632985 and 320633003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320633021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 830463 + ... + 830848.

It is an arithmetic number, because the mean of its divisors is an integer number (80573632).

Almost surely, 2^320633023 is an apocalyptic number.

320633023 is a deficient number, since it is larger than the sum of its proper divisors (1661505).

320633023 is a wasteful number, since it uses less digits than its factorization.

320633023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661504.

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 320633023 is about 17906.2286090623. The cubic root of 320633023 is about 684.4411041365.

Adding to 320633023 its reverse (320336023), we get a palindrome (640969046).

The spelling of 320633023 in words is "three hundred twenty million, six hundred thirty-three thousand, twenty-three".