797668123 has 4 divisors (see below), whose sum is σ = 911620720. Its totient is φ = 683715528.

The previous prime is 797668117. The next prime is 797668133. The reversal of 797668123 is 321866797.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-797668123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797668133) 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, 56976288 + ... + 56976301.

It is an arithmetic number, because the mean of its divisors is an integer number (227905180).

Almost surely, 2^797668123 is an apocalyptic number.

797668123 is a deficient number, since it is larger than the sum of its proper divisors (113952597).

797668123 is a wasteful number, since it uses less digits than its factorization.

797668123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113952596.

The product of its digits is 762048, while the sum is 49.

The square root of 797668123 is about 28243.0190135545. The cubic root of 797668123 is about 927.4149210811.

The spelling of 797668123 in words is "seven hundred ninety-seven million, six hundred sixty-eight thousand, one hundred twenty-three".