123113021298 has 16 divisors (see below), whose sum is σ = 252880800960. Its totient is φ = 39928547376.

The previous prime is 123113021287. The next prime is 123113021303. The reversal of 123113021298 is 892120311321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277281358 + ... + 277281801.

It is an arithmetic number, because the mean of its divisors is an integer number (15805050060).

Almost surely, 2^123113021298 is an apocalyptic number.

123113021298 is an abundant number, since it is smaller than the sum of its proper divisors (129767779662).

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

123113021298 is a wasteful number, since it uses less digits than its factorization.

123113021298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554563201.

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 123113021298 in words is "one hundred twenty-three billion, one hundred thirteen million, twenty-one thousand, two hundred ninety-eight".