320023100511 has 12 divisors (see below), whose sum is σ = 462334589392. Its totient is φ = 213312272256.

The previous prime is 320023100477. The next prime is 320023100521. The reversal of 320023100511 is 115001320023.

320023100511 is a `hidden beast` number, since 32 + 0 + 0 + 23 + 100 + 511 = 666.

It is not a de Polignac number, because 320023100511 - 2⁶ = 320023100447 is a prime.

It is a super-2 number, since 2×320023100511² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320023100521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2982811 + ... + 3088236.

Almost surely, 2^320023100511 is an apocalyptic number.

320023100511 is a deficient number, since it is larger than the sum of its proper divisors (142311488881).

320023100511 is a wasteful number, since it uses less digits than its factorization.

320023100511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6076910 (or 6076907 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 320023100511 its reverse (115001320023), we get a palindrome (435024420534).

The spelling of 320023100511 in words is "three hundred twenty billion, twenty-three million, one hundred thousand, five hundred eleven".