123713679 has 4 divisors (see below), whose sum is σ = 164951576. Its totient is φ = 82475784.

The previous prime is 123713669. The next prime is 123713699. The reversal of 123713679 is 976317321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 123713679 - 2⁴ = 123713663 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 (123713659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20618944 + ... + 20618949.

It is an arithmetic number, because the mean of its divisors is an integer number (41237894).

Almost surely, 2^123713679 is an apocalyptic number.

123713679 is a deficient number, since it is larger than the sum of its proper divisors (41237897).

123713679 is an equidigital number, since it uses as much as digits as its factorization.

123713679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41237896.

The product of its digits is 47628, while the sum is 39.

The square root of 123713679 is about 11122.6651032925. The cubic root of 123713679 is about 498.2789883678.

The spelling of 123713679 in words is "one hundred twenty-three million, seven hundred thirteen thousand, six hundred seventy-nine".