143042723 has 2 divisors, whose sum is σ = 143042724. Its totient is φ = 143042722.

The previous prime is 143042719. The next prime is 143042729. The reversal of 143042723 is 327240341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143042723 - 2² = 143042719 is a prime.

It is a super-2 number, since 2×143042723² = 40922441206509458, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 143042692 and 143042701.

It is not a weakly prime, because it can be changed into another prime (143042729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71521361 + 71521362.

It is an arithmetic number, because the mean of its divisors is an integer number (71521362).

Almost surely, 2^143042723 is an apocalyptic number.

143042723 is a deficient number, since it is larger than the sum of its proper divisors (1).

143042723 is an equidigital number, since it uses as much as digits as its factorization.

143042723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 143042723 is about 11960.0469480684. The cubic root of 143042723 is about 522.9842254503.

The spelling of 143042723 in words is "one hundred forty-three million, forty-two thousand, seven hundred twenty-three".