123030192 has 40 divisors (see below), whose sum is σ = 318551040. Its totient is φ = 40916800.

The previous prime is 123030191. The next prime is 123030203. The reversal of 123030192 is 291030321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123030191) 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, 20317 + ... + 25667.

It is an arithmetic number, because the mean of its divisors is an integer number (7963776).

Almost surely, 2^123030192 is an apocalyptic number.

123030192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123030192 is an abundant number, since it is smaller than the sum of its proper divisors (195520848).

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

123030192 is a wasteful number, since it uses less digits than its factorization.

123030192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841 (or 5835 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 123030192 is about 11091.8975833714. The cubic root of 123030192 is about 497.3596712032.

The spelling of 123030192 in words is "one hundred twenty-three million, thirty thousand, one hundred ninety-two".