123704013 has 16 divisors (see below), whose sum is σ = 166752576. Its totient is φ = 81567360.

The previous prime is 123703999. The next prime is 123704027. The reversal of 123704013 is 310407321.

It is an interprime number because it is at equal distance from previous prime (123703999) and next prime (123704027).

It is not a de Polignac number, because 123704013 - 2⁶ = 123703949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123704033) 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 15 ways as a sum of consecutive naturals, for example, 201495 + ... + 202107.

It is an arithmetic number, because the mean of its divisors is an integer number (10422036).

Almost surely, 2^123704013 is an apocalyptic number.

It is an amenable number.

123704013 is a deficient number, since it is larger than the sum of its proper divisors (43048563).

123704013 is a wasteful number, since it uses less digits than its factorization.

123704013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 123704013 is about 11122.2305766424. The cubic root of 123704013 is about 498.2660108481.

The spelling of 123704013 in words is "one hundred twenty-three million, seven hundred four thousand, thirteen".