123993892 has 12 divisors (see below), whose sum is σ = 236715696. Its totient is φ = 56360840.

The previous prime is 123993889. The next prime is 123993901. The reversal of 123993892 is 298399321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1408978 + ... + 1409065.

It is an arithmetic number, because the mean of its divisors is an integer number (19726308).

Almost surely, 2^123993892 is an apocalyptic number.

It is an amenable number.

123993892 is a deficient number, since it is larger than the sum of its proper divisors (112721804).

123993892 is a wasteful number, since it uses less digits than its factorization.

123993892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818058 (or 2818056 counting only the distinct ones).

The product of its digits is 209952, while the sum is 46.

The square root of 123993892 is about 11135.2544649864. The cubic root of 123993892 is about 498.6549073631.

The spelling of 123993892 in words is "one hundred twenty-three million, nine hundred ninety-three thousand, eight hundred ninety-two".