113303143 has 4 divisors (see below), whose sum is σ = 114737440. Its totient is φ = 111868848.

The previous prime is 113303119. The next prime is 113303153. The reversal of 113303143 is 341303311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341303311 = 41 ⋅8324471.

It is a cyclic number.

It is not a de Polignac number, because 113303143 - 2¹⁷ = 113172071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113303143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113303153) 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, 717030 + ... + 717187.

It is an arithmetic number, because the mean of its divisors is an integer number (28684360).

Almost surely, 2^113303143 is an apocalyptic number.

113303143 is a deficient number, since it is larger than the sum of its proper divisors (1434297).

113303143 is an equidigital number, since it uses as much as digits as its factorization.

113303143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434296.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 113303143 is about 10644.3949099984. The cubic root of 113303143 is about 483.8907486830.

Adding to 113303143 its reverse (341303311), we get a palindrome (454606454).

The spelling of 113303143 in words is "one hundred thirteen million, three hundred three thousand, one hundred forty-three".