11122423398 has 48 divisors (see below), whose sum is σ = 25156291680. Its totient is φ = 3544877952.

The previous prime is 11122423339. The next prime is 11122423427. The reversal of 11122423398 is 89332422111.

11122423398 is a `hidden beast` number, since 11 + 12 + 242 + 3 + 398 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1716108 + ... + 1722576.

It is an arithmetic number, because the mean of its divisors is an integer number (524089410).

Almost surely, 2^11122423398 is an apocalyptic number.

11122423398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11122423398 is an abundant number, since it is smaller than the sum of its proper divisors (14033868282).

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

11122423398 is a wasteful number, since it uses less digits than its factorization.

11122423398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10653 (or 10650 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The spelling of 11122423398 in words is "eleven billion, one hundred twenty-two million, four hundred twenty-three thousand, three hundred ninety-eight".