20323111079 has 2 divisors, whose sum is σ = 20323111080. Its totient is φ = 20323111078.

The previous prime is 20323111043. The next prime is 20323111141. The reversal of 20323111079 is 97011132302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20323111079 - 2²⁸ = 20054675623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20323111009) 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, 10161555539 + 10161555540.

It is an arithmetic number, because the mean of its divisors is an integer number (10161555540).

Almost surely, 2^20323111079 is an apocalyptic number.

20323111079 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323111079 is an equidigital number, since it uses as much as digits as its factorization.

20323111079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The spelling of 20323111079 in words is "twenty billion, three hundred twenty-three million, one hundred eleven thousand, seventy-nine".