43142303 has 2 divisors, whose sum is σ = 43142304. Its totient is φ = 43142302.

The previous prime is 43142213. The next prime is 43142317. The reversal of 43142303 is 30324134.

43142303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43142303 - 2¹⁰ = 43141279 is a prime.

It is a super-2 number, since 2×43142303² = 3722516616287618, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43142353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21571151 + 21571152.

It is an arithmetic number, because the mean of its divisors is an integer number (21571152).

Almost surely, 2^43142303 is an apocalyptic number.

43142303 is a deficient number, since it is larger than the sum of its proper divisors (1).

43142303 is an equidigital number, since it uses as much as digits as its factorization.

43142303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 43142303 is about 6568.2800640655. The cubic root of 43142303 is about 350.7258487574.

Adding to 43142303 its reverse (30324134), we get a palindrome (73466437).

The spelling of 43142303 in words is "forty-three million, one hundred forty-two thousand, three hundred three".