113205372403 has 4 divisors (see below), whose sum is σ = 113955077008. Its totient is φ = 112455667800.

The previous prime is 113205372391. The next prime is 113205372407. The reversal of 113205372403 is 304273502311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113205372403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113205372407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374852076 + ... + 374852377.

It is an arithmetic number, because the mean of its divisors is an integer number (28488769252).

Almost surely, 2^113205372403 is an apocalyptic number.

113205372403 is a deficient number, since it is larger than the sum of its proper divisors (749704605).

113205372403 is an equidigital number, since it uses as much as digits as its factorization.

113205372403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749704604.

The product of its (nonzero) digits is 15120, while the sum is 31.

Adding to 113205372403 its reverse (304273502311), we get a palindrome (417478874714).

The spelling of 113205372403 in words is "one hundred thirteen billion, two hundred five million, three hundred seventy-two thousand, four hundred three".