123351520098 has 32 divisors (see below), whose sum is σ = 249129144000. Its totient is φ = 40713316416.

The previous prime is 123351520037. The next prime is 123351520157. The reversal of 123351520098 is 890025153321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 952165 + ... + 1073927.

It is an arithmetic number, because the mean of its divisors is an integer number (7785285750).

Almost surely, 2^123351520098 is an apocalyptic number.

123351520098 is an abundant number, since it is smaller than the sum of its proper divisors (125777623902).

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

123351520098 is a wasteful number, since it uses less digits than its factorization.

123351520098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123426.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 123351520098 in words is "one hundred twenty-three billion, three hundred fifty-one million, five hundred twenty thousand, ninety-eight".