123696351 has 6 divisors (see below), whose sum is σ = 178672520. Its totient is φ = 82464228.

The previous prime is 123696319. The next prime is 123696359. The reversal of 123696351 is 153696321.

123696351 is a `hidden beast` number, since 12 + 3 + 6 + 9 + 635 + 1 = 666.

It is not a de Polignac number, because 123696351 - 2⁵ = 123696319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123696359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6872011 + ... + 6872028.

Almost surely, 2^123696351 is an apocalyptic number.

123696351 is a deficient number, since it is larger than the sum of its proper divisors (54976169).

123696351 is a wasteful number, since it uses less digits than its factorization.

123696351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13744045 (or 13744042 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 123696351 is about 11121.8861260130. The cubic root of 123696351 is about 498.2557234076.

The spelling of 123696351 in words is "one hundred twenty-three million, six hundred ninety-six thousand, three hundred fifty-one".