123736268668 has 12 divisors (see below), whose sum is σ = 216540933112. Its totient is φ = 61867430640.

The previous prime is 123736268653. The next prime is 123736268699. The reversal of 123736268668 is 866862637321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598198 + ... + 778018.

Almost surely, 2^123736268668 is an apocalyptic number.

It is an amenable number.

123736268668 is a deficient number, since it is larger than the sum of its proper divisors (92804664444).

123736268668 is a wasteful number, since it uses less digits than its factorization.

123736268668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351852 (or 351850 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 58.

The spelling of 123736268668 in words is "one hundred twenty-three billion, seven hundred thirty-six million, two hundred sixty-eight thousand, six hundred sixty-eight".