20313133223 has 2 divisors, whose sum is σ = 20313133224. Its totient is φ = 20313133222.

The previous prime is 20313133207. The next prime is 20313133229. The reversal of 20313133223 is 32233131302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20313133223 - 2⁴ = 20313133207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20313133229) 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 as a sum of consecutive naturals, namely, 10156566611 + 10156566612.

It is an arithmetic number, because the mean of its divisors is an integer number (10156566612).

Almost surely, 2^20313133223 is an apocalyptic number.

20313133223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313133223 is an equidigital number, since it uses as much as digits as its factorization.

20313133223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20313133223 its reverse (32233131302), we get a palindrome (52546264525).

The spelling of 20313133223 in words is "twenty billion, three hundred thirteen million, one hundred thirty-three thousand, two hundred twenty-three".