123896568 has 32 divisors (see below), whose sum is σ = 326044800. Its totient is φ = 39125088.

The previous prime is 123896567. The next prime is 123896573. The reversal of 123896568 is 865698321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123896567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135396 + ... + 136307.

It is an arithmetic number, because the mean of its divisors is an integer number (10188900).

Almost surely, 2^123896568 is an apocalyptic number.

It is an amenable number.

123896568 is an abundant number, since it is smaller than the sum of its proper divisors (202148232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123896568 is a wasteful number, since it uses less digits than its factorization.

123896568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271731 (or 271727 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 123896568 is about 11130.8835228835. The cubic root of 123896568 is about 498.5244068670.

The spelling of 123896568 in words is "one hundred twenty-three million, eight hundred ninety-six thousand, five hundred sixty-eight".