113403143 has 8 divisors (see below), whose sum is σ = 129804960. Its totient is φ = 97051680.

The previous prime is 113403119. The next prime is 113403167. The reversal of 113403143 is 341304311.

It is an interprime number because it is at equal distance from previous prime (113403119) and next prime (113403167).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113403143 - 2¹⁶ = 113337607 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 (113403443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7628 + ... + 16881.

It is an arithmetic number, because the mean of its divisors is an integer number (16225620).

Almost surely, 2^113403143 is an apocalyptic number.

113403143 is a deficient number, since it is larger than the sum of its proper divisors (16401817).

113403143 is an equidigital number, since it uses as much as digits as its factorization.

113403143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25177.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 113403143 is about 10649.0911818803. The cubic root of 113403143 is about 484.0330655529.

Adding to 113403143 its reverse (341304311), we get a palindrome (454707454).

The spelling of 113403143 in words is "one hundred thirteen million, four hundred three thousand, one hundred forty-three".