40143703 has 2 divisors, whose sum is σ = 40143704. Its totient is φ = 40143702.

The previous prime is 40143679. The next prime is 40143721. The reversal of 40143703 is 30734104.

It is a happy number.

40143703 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 40143703 - 2²¹ = 38046551 is a prime.

It is a super-2 number, since 2×40143703² = 3223033781104418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40143773) 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, 20071851 + 20071852.

It is an arithmetic number, because the mean of its divisors is an integer number (20071852).

Almost surely, 2^40143703 is an apocalyptic number.

40143703 is a deficient number, since it is larger than the sum of its proper divisors (1).

40143703 is an equidigital number, since it uses as much as digits as its factorization.

40143703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 40143703 is about 6335.9058547299. The cubic root of 40143703 is about 342.4042476573.

Adding to 40143703 its reverse (30734104), we get a palindrome (70877807).

The spelling of 40143703 in words is "forty million, one hundred forty-three thousand, seven hundred three".