123896655967 has 12 divisors (see below), whose sum is σ = 150390973296. Its totient is φ = 101579866080.

The previous prime is 123896655947. The next prime is 123896656033. The reversal of 123896655967 is 769556698321.

It is not a de Polignac number, because 123896655967 - 2³¹ = 121749172319 is a prime.

It is a super-3 number, since 3×123896655967³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123896655907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54966334 + ... + 54968587.

It is an arithmetic number, because the mean of its divisors is an integer number (12532581108).

Almost surely, 2^123896655967 is an apocalyptic number.

123896655967 is a deficient number, since it is larger than the sum of its proper divisors (26494317329).

123896655967 is a wasteful number, since it uses less digits than its factorization.

123896655967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109934958 (or 109934951 counting only the distinct ones).

The product of its digits is 146966400, while the sum is 67.

The spelling of 123896655967 in words is "one hundred twenty-three billion, eight hundred ninety-six million, six hundred fifty-five thousand, nine hundred sixty-seven".