123451098498 has 48 divisors (see below), whose sum is σ = 329202933696. Its totient is φ = 32558531040.

The previous prime is 123451098481. The next prime is 123451098517. The reversal of 123451098498 is 894890154321.

It is a happy number.

123451098498 is a `hidden beast` number, since 1 + 2 + 3 + 45 + 109 + 8 + 498 = 666.

123451098498 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37681848 + ... + 37685123.

It is an arithmetic number, because the mean of its divisors is an integer number (6858394452).

Almost surely, 2^123451098498 is an apocalyptic number.

123451098498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

123451098498 is an abundant number, since it is smaller than the sum of its proper divisors (205751835198).

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

123451098498 is a wasteful number, since it uses less digits than its factorization.

123451098498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75366999 (or 75366996 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 123451098498 in words is "one hundred twenty-three billion, four hundred fifty-one million, ninety-eight thousand, four hundred ninety-eight".