113123013450 has 48 divisors (see below), whose sum is σ = 280624705536. Its totient is φ = 30157574400.

The previous prime is 113123013413. The next prime is 113123013461. The reversal of 113123013450 is 54310321311.

It is a self number, because there is not a number n which added to its sum of digits gives 113123013450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 432210 + ... + 642690.

It is an arithmetic number, because the mean of its divisors is an integer number (5846348032).

Almost surely, 2^113123013450 is an apocalyptic number.

113123013450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113123013450 is an abundant number, since it is smaller than the sum of its proper divisors (167501692086).

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

113123013450 is a wasteful number, since it uses less digits than its factorization.

113123013450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214079 (or 214074 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 113123013450 its reverse (54310321311), we get a palindrome (167433334761).

The spelling of 113123013450 in words is "one hundred thirteen billion, one hundred twenty-three million, thirteen thousand, four hundred fifty".