123309079 has 8 divisors (see below), whose sum is σ = 126393872. Its totient is φ = 120234240.

The previous prime is 123309077. The next prime is 123309083. The reversal of 123309079 is 970903321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123309079 - 2¹ = 123309077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123309071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26809 + ... + 31069.

It is an arithmetic number, because the mean of its divisors is an integer number (15799234).

Almost surely, 2^123309079 is an apocalyptic number.

123309079 is a deficient number, since it is larger than the sum of its proper divisors (3084793).

123309079 is an equidigital number, since it uses as much as digits as its factorization.

123309079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 123309079 is about 11104.4621211475. The cubic root of 123309079 is about 497.7351954769.

The spelling of 123309079 in words is "one hundred twenty-three million, three hundred nine thousand, seventy-nine".