20323211179 has 2 divisors, whose sum is σ = 20323211180. Its totient is φ = 20323211178.

The previous prime is 20323211147. The next prime is 20323211299. The reversal of 20323211179 is 97111232302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20323211179 - 2⁵ = 20323211147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20323211179.

It is not a weakly prime, because it can be changed into another prime (20323211879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161605589 + 10161605590.

It is an arithmetic number, because the mean of its divisors is an integer number (10161605590).

Almost surely, 2^20323211179 is an apocalyptic number.

20323211179 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323211179 is an equidigital number, since it uses as much as digits as its factorization.

20323211179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 20323211179 in words is "twenty billion, three hundred twenty-three million, two hundred eleven thousand, one hundred seventy-nine".