20313201023 has 4 divisors (see below), whose sum is σ = 20313499728. Its totient is φ = 20312902320.

The previous prime is 20313201011. The next prime is 20313201109. The reversal of 20313201023 is 32010231302.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20313201023 - 2⁶ = 20313200959 is a prime.

It is a super-2 number, since 2×20313201023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20313200992 and 20313201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313207023) 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, 7715 + ... + 201707.

It is an arithmetic number, because the mean of its divisors is an integer number (5078374932).

Almost surely, 2^20313201023 is an apocalyptic number.

20313201023 is a deficient number, since it is larger than the sum of its proper divisors (298705).

20313201023 is a wasteful number, since it uses less digits than its factorization.

20313201023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298704.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20313201023 its reverse (32010231302), we get a palindrome (52323432325).

The spelling of 20313201023 in words is "twenty billion, three hundred thirteen million, two hundred one thousand, twenty-three".