20123231022107 has 2 divisors, whose sum is σ = 20123231022108. Its totient is φ = 20123231022106.

The previous prime is 20123231022071. The next prime is 20123231022119. The reversal of 20123231022107 is 70122013232102.

Together with previous prime (20123231022071) 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 20123231022107 - 2³⁴ = 20106051152923 is a prime.

It is not a weakly prime, because it can be changed into another prime (20123231022007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061615511053 + 10061615511054.

It is an arithmetic number, because the mean of its divisors is an integer number (10061615511054).

Almost surely, 2^{20123231022107} is an apocalyptic number.

20123231022107 is a deficient number, since it is larger than the sum of its proper divisors (1).

20123231022107 is an equidigital number, since it uses as much as digits as its factorization.

20123231022107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 20123231022107 its reverse (70122013232102), we get a palindrome (90245244254209).

The spelling of 20123231022107 in words is "twenty trillion, one hundred twenty-three billion, two hundred thirty-one million, twenty-two thousand, one hundred seven".