123079111 has 2 divisors, whose sum is σ = 123079112. Its totient is φ = 123079110.

The previous prime is 123079097. The next prime is 123079153. The reversal of 123079111 is 111970321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123079111 - 2²⁵ = 89524679 is a prime.

It is a super-3 number, since 3×123079111³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123076111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61539555 + 61539556.

It is an arithmetic number, because the mean of its divisors is an integer number (61539556).

Almost surely, 2^123079111 is an apocalyptic number.

123079111 is a deficient number, since it is larger than the sum of its proper divisors (1).

123079111 is an equidigital number, since it uses as much as digits as its factorization.

123079111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 123079111 is about 11094.1025324269. The cubic root of 123079111 is about 497.4255821620.

The spelling of 123079111 in words is "one hundred twenty-three million, seventy-nine thousand, one hundred eleven".