123030079 has 2 divisors, whose sum is σ = 123030080. Its totient is φ = 123030078.

The previous prime is 123030077. The next prime is 123030133. The reversal of 123030079 is 970030321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123030079 - 2¹ = 123030077 is a prime.

Together with 123030077, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123030077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61515039 + 61515040.

It is an arithmetic number, because the mean of its divisors is an integer number (61515040).

Almost surely, 2^123030079 is an apocalyptic number.

123030079 is a deficient number, since it is larger than the sum of its proper divisors (1).

123030079 is an equidigital number, since it uses as much as digits as its factorization.

123030079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 123030079 is about 11091.8924895619. The cubic root of 123030079 is about 497.3595189325.

The spelling of 123030079 in words is "one hundred twenty-three million, thirty thousand, seventy-nine".