113403121423 has 8 divisors (see below), whose sum is σ = 113605417728. Its totient is φ = 113200932504.

The previous prime is 113403121393. The next prime is 113403121439. The reversal of 113403121423 is 324121304311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113403121423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113403121123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2258436 + ... + 2308102.

It is an arithmetic number, because the mean of its divisors is an integer number (14200677216).

Almost surely, 2^113403121423 is an apocalyptic number.

113403121423 is a deficient number, since it is larger than the sum of its proper divisors (202296305).

113403121423 is an equidigital number, since it uses as much as digits as its factorization.

113403121423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53693.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 113403121423 its reverse (324121304311), we get a palindrome (437524425734).

The spelling of 113403121423 in words is "one hundred thirteen billion, four hundred three million, one hundred twenty-one thousand, four hundred twenty-three".