123668367913 has 8 divisors (see below), whose sum is σ = 124414553088. Its totient is φ = 122924388144.

The previous prime is 123668367887. The next prime is 123668367997. The reversal of 123668367913 is 319763866321.

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 123668367913 - 2⁵ = 123668367881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123668361913) 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, 438795 + ... + 663232.

It is an arithmetic number, because the mean of its divisors is an integer number (15551819136).

Almost surely, 2^123668367913 is an apocalyptic number.

It is an amenable number.

123668367913 is a deficient number, since it is larger than the sum of its proper divisors (746185175).

123668367913 is a wasteful number, since it uses less digits than its factorization.

123668367913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102703.

The product of its digits is 5878656, while the sum is 55.

The spelling of 123668367913 in words is "one hundred twenty-three billion, six hundred sixty-eight million, three hundred sixty-seven thousand, nine hundred thirteen".