123023079 has 12 divisors (see below), whose sum is σ = 178499776. Its totient is φ = 81646272.

The previous prime is 123023077. The next prime is 123023093. The reversal of 123023079 is 970320321.

It is not a de Polignac number, because 123023079 - 2¹ = 123023077 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 (123023071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28642 + ... + 32655.

Almost surely, 2^123023079 is an apocalyptic number.

123023079 is a deficient number, since it is larger than the sum of its proper divisors (55476697).

123023079 is a wasteful number, since it uses less digits than its factorization.

123023079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61526 (or 61523 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 123023079 is about 11091.5769392814. The cubic root of 123023079 is about 497.3500860559.

The spelling of 123023079 in words is "one hundred twenty-three million, twenty-three thousand, seventy-nine".