20122031021023 has 2 divisors, whose sum is σ = 20122031021024. Its totient is φ = 20122031021022.

The previous prime is 20122031020969. The next prime is 20122031021051. The reversal of 20122031021023 is 32012013022102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20122031021023 - 2²⁵ = 20121997466591 is a prime.

It is a super-2 number, since 2×20122031021023² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122031028023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061015510511 + 10061015510512.

It is an arithmetic number, because the mean of its divisors is an integer number (10061015510512).

Almost surely, 2^{20122031021023} is an apocalyptic number.

20122031021023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122031021023 is an equidigital number, since it uses as much as digits as its factorization.

20122031021023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20122031021023 its reverse (32012013022102), we get a palindrome (52134044043125).

The spelling of 20122031021023 in words is "twenty trillion, one hundred twenty-two billion, thirty-one million, twenty-one thousand, twenty-three".