42357143 has 2 divisors, whose sum is σ = 42357144. Its totient is φ = 42357142.

The previous prime is 42357113. The next prime is 42357157. The reversal of 42357143 is 34175324.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42357143 - 2⁶ = 42357079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42357113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21178571 + 21178572.

It is an arithmetic number, because the mean of its divisors is an integer number (21178572).

Almost surely, 2^42357143 is an apocalyptic number.

42357143 is a deficient number, since it is larger than the sum of its proper divisors (1).

42357143 is an equidigital number, since it uses as much as digits as its factorization.

42357143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 29.

The square root of 42357143 is about 6508.2365507102. The cubic root of 42357143 is about 348.5851536120.

The spelling of 42357143 in words is "forty-two million, three hundred fifty-seven thousand, one hundred forty-three".