20313301323 has 32 divisors (see below), whose sum is σ = 31097651200. Its totient is φ = 11553718176.

The previous prime is 20313301319. The next prime is 20313301357. The reversal of 20313301323 is 32310331302.

It is not a de Polignac number, because 20313301323 - 2² = 20313301319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20313301323.

It is not an unprimeable number, because it can be changed into a prime (20313301303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4266018 + ... + 4270776.

It is an arithmetic number, because the mean of its divisors is an integer number (971801600).

Almost surely, 2^20313301323 is an apocalyptic number.

20313301323 is a deficient number, since it is larger than the sum of its proper divisors (10784349877).

20313301323 is a wasteful number, since it uses less digits than its factorization.

20313301323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20313301323 its reverse (32310331302), we get a palindrome (52623632625).

The spelling of 20313301323 in words is "twenty billion, three hundred thirteen million, three hundred one thousand, three hundred twenty-three".