113053143 has 32 divisors (see below), whose sum is σ = 177049600. Its totient is φ = 64139040.

The previous prime is 113053133. The next prime is 113053147. The reversal of 113053143 is 341350311.

It is not a de Polignac number, because 113053143 - 2⁶ = 113053079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113053147) 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 31 ways as a sum of consecutive naturals, for example, 185946 + ... + 186552.

It is an arithmetic number, because the mean of its divisors is an integer number (5532800).

Almost surely, 2^113053143 is an apocalyptic number.

113053143 is a deficient number, since it is larger than the sum of its proper divisors (63996457).

113053143 is an equidigital number, since it uses as much as digits as its factorization.

113053143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 113053143 is about 10632.6451553694. The cubic root of 113053143 is about 483.5345897763.

The spelling of 113053143 in words is "one hundred thirteen million, fifty-three thousand, one hundred forty-three".