123930892 has 6 divisors (see below), whose sum is σ = 216879068. Its totient is φ = 61965444.

The previous prime is 123930883. The next prime is 123930893. The reversal of 123930892 is 298039321.

It is not an unprimeable number, because it can be changed into a prime (123930893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15491358 + ... + 15491365.

Almost surely, 2^123930892 is an apocalyptic number.

It is an amenable number.

123930892 is a deficient number, since it is larger than the sum of its proper divisors (92948176).

123930892 is a wasteful number, since it uses less digits than its factorization.

123930892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30982727 (or 30982725 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 123930892 is about 11132.4252523877. The cubic root of 123930892 is about 498.5704392743.

It can be divided in two parts, 1239 and 30892, that added together give a triangular number (32131 = T₂₅₃).

The spelling of 123930892 in words is "one hundred twenty-three million, nine hundred thirty thousand, eight hundred ninety-two".