20313232223 has 2 divisors, whose sum is σ = 20313232224. Its totient is φ = 20313232222.

The previous prime is 20313232217. The next prime is 20313232229. The reversal of 20313232223 is 32223231302.

It is a balanced prime because it is at equal distance from previous prime (20313232217) and next prime (20313232229).

It is a cyclic number.

It is not a de Polignac number, because 20313232223 - 2²⁸ = 20044796767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20313232229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156616111 + 10156616112.

It is an arithmetic number, because the mean of its divisors is an integer number (10156616112).

Almost surely, 2^20313232223 is an apocalyptic number.

20313232223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313232223 is an equidigital number, since it uses as much as digits as its factorization.

20313232223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20313232223 its reverse (32223231302), we get a palindrome (52536463525).

The spelling of 20313232223 in words is "twenty billion, three hundred thirteen million, two hundred thirty-two thousand, two hundred twenty-three".