20231162579479 has 2 divisors, whose sum is σ = 20231162579480. Its totient is φ = 20231162579478.

The previous prime is 20231162579437. The next prime is 20231162579497. The reversal of 20231162579479 is 97497526113202.

Together with next prime (20231162579497) 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 20231162579479 - 2²⁹ = 20230625708567 is a prime.

It is a super-2 number, since 2×20231162579479² (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 (20231162579179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115581289739 + 10115581289740.

It is an arithmetic number, because the mean of its divisors is an integer number (10115581289740).

Almost surely, 2^{20231162579479} is an apocalyptic number.

20231162579479 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231162579479 is an equidigital number, since it uses as much as digits as its factorization.

20231162579479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11430720, while the sum is 58.

The spelling of 20231162579479 in words is "twenty trillion, two hundred thirty-one billion, one hundred sixty-two million, five hundred seventy-nine thousand, four hundred seventy-nine".