113423143 has 4 divisors (see below), whose sum is σ = 118354608. Its totient is φ = 108491680.

The previous prime is 113423131. The next prime is 113423153. The reversal of 113423143 is 341324311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341324311 = 127 ⋅2687593.

It is a cyclic number.

It is not a de Polignac number, because 113423143 - 2¹⁷ = 113292071 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 (113423153) 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, 2465698 + ... + 2465743.

It is an arithmetic number, because the mean of its divisors is an integer number (29588652).

Almost surely, 2^113423143 is an apocalyptic number.

113423143 is a deficient number, since it is larger than the sum of its proper divisors (4931465).

113423143 is an equidigital number, since it uses as much as digits as its factorization.

113423143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931464.

The product of its digits is 864, while the sum is 22.

The square root of 113423143 is about 10650.0301877506. The cubic root of 113423143 is about 484.0615188861.

Adding to 113423143 its reverse (341324311), we get a palindrome (454747454).

The spelling of 113423143 in words is "one hundred thirteen million, four hundred twenty-three thousand, one hundred forty-three".