123379211 has 2 divisors, whose sum is σ = 123379212. Its totient is φ = 123379210.

The previous prime is 123379189. The next prime is 123379219. The reversal of 123379211 is 112973321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123379211 - 2⁶ = 123379147 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123379219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61689605 + 61689606.

It is an arithmetic number, because the mean of its divisors is an integer number (61689606).

Almost surely, 2^123379211 is an apocalyptic number.

123379211 is a deficient number, since it is larger than the sum of its proper divisors (1).

123379211 is an equidigital number, since it uses as much as digits as its factorization.

123379211 is an odious number, because the sum of its binary digits is odd.

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

The square root of 123379211 is about 11107.6195019455. The cubic root of 123379211 is about 497.8295398385.

The spelling of 123379211 in words is "one hundred twenty-three million, three hundred seventy-nine thousand, two hundred eleven".