20023210231 has 2 divisors, whose sum is σ = 20023210232. Its totient is φ = 20023210230.

The previous prime is 20023210213. The next prime is 20023210243. The reversal of 20023210231 is 13201232002.

Together with previous prime (20023210213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20023210231 - 2¹⁵ = 20023177463 is a prime.

It is a super-2 number, since 2×20023210231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20023210201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011605115 + 10011605116.

It is an arithmetic number, because the mean of its divisors is an integer number (10011605116).

Almost surely, 2^20023210231 is an apocalyptic number.

20023210231 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023210231 is an equidigital number, since it uses as much as digits as its factorization.

20023210231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20023210231 its reverse (13201232002), we get a palindrome (33224442233).

The spelling of 20023210231 in words is "twenty billion, twenty-three million, two hundred ten thousand, two hundred thirty-one".