123196479765 has 16 divisors (see below), whose sum is σ = 197154688128. Its totient is φ = 65691349056.

The previous prime is 123196479739. The next prime is 123196479817. The reversal of 123196479765 is 567974691321.

It is not a de Polignac number, because 123196479765 - 2⁸ = 123196479509 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123196479699 and 123196479708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764014 + ... + 911103.

It is an arithmetic number, because the mean of its divisors is an integer number (12322168008).

Almost surely, 2^123196479765 is an apocalyptic number.

123196479765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123196479765 is a deficient number, since it is larger than the sum of its proper divisors (73958208363).

123196479765 is a wasteful number, since it uses less digits than its factorization.

123196479765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680028.

The product of its digits is 17146080, while the sum is 60.

The spelling of 123196479765 in words is "one hundred twenty-three billion, one hundred ninety-six million, four hundred seventy-nine thousand, seven hundred sixty-five".