113444432403 has 4 divisors (see below), whose sum is σ = 151259243208. Its totient is φ = 75629621600.

The previous prime is 113444432399. The next prime is 113444432447. The reversal of 113444432403 is 304234444311.

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

It is a cyclic number.

It is not a de Polignac number, because 113444432403 - 2² = 113444432399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113444432483) 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 3 ways as a sum of consecutive naturals, for example, 18907405398 + ... + 18907405403.

It is an arithmetic number, because the mean of its divisors is an integer number (37814810802).

Almost surely, 2^113444432403 is an apocalyptic number.

113444432403 is a deficient number, since it is larger than the sum of its proper divisors (37814810805).

113444432403 is an equidigital number, since it uses as much as digits as its factorization.

113444432403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37814810804.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 113444432403 its reverse (304234444311), we get a palindrome (417678876714).

The spelling of 113444432403 in words is "one hundred thirteen billion, four hundred forty-four million, four hundred thirty-two thousand, four hundred three".