201323012179 has 2 divisors, whose sum is σ = 201323012180. Its totient is φ = 201323012178.

The previous prime is 201323012141. The next prime is 201323012221. The reversal of 201323012179 is 971210323102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201323012179 - 2²³ = 201314623571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201323012179.

It is not a weakly prime, because it can be changed into another prime (201323012479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100661506089 + 100661506090.

It is an arithmetic number, because the mean of its divisors is an integer number (100661506090).

Almost surely, 2^201323012179 is an apocalyptic number.

201323012179 is a deficient number, since it is larger than the sum of its proper divisors (1).

201323012179 is an equidigital number, since it uses as much as digits as its factorization.

201323012179 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 201323012179 in words is "two hundred one billion, three hundred twenty-three million, twelve thousand, one hundred seventy-nine".