113402123340 has 48 divisors (see below), whose sum is σ = 346391942400. Its totient is φ = 27491423680.

The previous prime is 113402123293. The next prime is 113402123347. The reversal of 113402123340 is 43321204311.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 113402123340.

It is not an unprimeable number, because it can be changed into a prime (113402123347) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 85910040 + ... + 85911359.

It is an arithmetic number, because the mean of its divisors is an integer number (7216498800).

Almost surely, 2^113402123340 is an apocalyptic number.

113402123340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113402123340 is an abundant number, since it is smaller than the sum of its proper divisors (232989819060).

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

113402123340 is a wasteful number, since it uses less digits than its factorization.

113402123340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171821422 (or 171821420 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 113402123340 its reverse (43321204311), we get a palindrome (156723327651).

The spelling of 113402123340 in words is "one hundred thirteen billion, four hundred two million, one hundred twenty-three thousand, three hundred forty".