111923668 has 36 divisors (see below), whose sum is σ = 206450580. Its totient is φ = 53053056.

The previous prime is 111923653. The next prime is 111923683. The reversal of 111923668 is 866329111.

It is an interprime number because it is at equal distance from previous prime (111923653) and next prime (111923683).

It can be written as a sum of positive squares in 2 ways, for example, as 101243844 + 10679824 = 10062^2 + 3268^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273448 + ... + 273856.

Almost surely, 2^111923668 is an apocalyptic number.

It is an amenable number.

111923668 is a deficient number, since it is larger than the sum of its proper divisors (94526912).

111923668 is a wasteful number, since it uses less digits than its factorization.

111923668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 491 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The square root of 111923668 is about 10579.3982815659. The cubic root of 111923668 is about 481.9189214128.

The spelling of 111923668 in words is "one hundred eleven million, nine hundred twenty-three thousand, six hundred sixty-eight".