123194984 has 16 divisors (see below), whose sum is σ = 251989920. Its totient is φ = 55997680.

The previous prime is 123194893. The next prime is 123194989. The reversal of 123194984 is 489491321.

It is not an unprimeable number, because it can be changed into a prime (123194989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699884 + ... + 700059.

It is an arithmetic number, because the mean of its divisors is an integer number (15749370).

Almost surely, 2^123194984 is an apocalyptic number.

It is an amenable number.

123194984 is an abundant number, since it is smaller than the sum of its proper divisors (128794936).

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

123194984 is a wasteful number, since it uses less digits than its factorization.

123194984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399960 (or 1399956 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 123194984 is about 11099.3235829937. The cubic root of 123194984 is about 497.5816338689.

The spelling of 123194984 in words is "one hundred twenty-three million, one hundred ninety-four thousand, nine hundred eighty-four".