123030604998 has 56 divisors (see below), whose sum is σ = 316219782288. Its totient is φ = 35151598512.

The previous prime is 123030604909. The next prime is 123030605059. The reversal of 123030604998 is 899406030321.

It is a happy number.

123030604998 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 30 + 604 + 9 + 9 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 6017161 + ... + 6037572.

Almost surely, 2^123030604998 is an apocalyptic number.

123030604998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

123030604998 is an abundant number, since it is smaller than the sum of its proper divisors (193189177290).

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

123030604998 is an equidigital number, since it uses as much as digits as its factorization.

123030604998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12054760 (or 12054745 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 123030604998 in words is "one hundred twenty-three billion, thirty million, six hundred four thousand, nine hundred ninety-eight".