123201321179 has 2 divisors, whose sum is σ = 123201321180. Its totient is φ = 123201321178.

The previous prime is 123201321143. The next prime is 123201321253. The reversal of 123201321179 is 971123102321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123201321179 - 2⁸ = 123201320923 is a prime.

It is a super-2 number, since 2×123201321179² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123201321119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61600660589 + 61600660590.

It is an arithmetic number, because the mean of its divisors is an integer number (61600660590).

Almost surely, 2^123201321179 is an apocalyptic number.

123201321179 is a deficient number, since it is larger than the sum of its proper divisors (1).

123201321179 is an equidigital number, since it uses as much as digits as its factorization.

123201321179 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 32.

The spelling of 123201321179 in words is "one hundred twenty-three billion, two hundred one million, three hundred twenty-one thousand, one hundred seventy-nine".