123896918 has 16 divisors (see below), whose sum is σ = 198286704. Its totient is φ = 57857280.

The previous prime is 123896897. The next prime is 123896923. The reversal of 123896918 is 819698321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9455 + ... + 18362.

It is an arithmetic number, because the mean of its divisors is an integer number (12392919).

Almost surely, 2^123896918 is an apocalyptic number.

123896918 is a deficient number, since it is larger than the sum of its proper divisors (74389786).

123896918 is a wasteful number, since it uses less digits than its factorization.

123896918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27967.

The product of its digits is 186624, while the sum is 47.

The square root of 123896918 is about 11130.8992448948. The cubic root of 123896918 is about 498.5248762999.

The spelling of 123896918 in words is "one hundred twenty-three million, eight hundred ninety-six thousand, nine hundred eighteen".