42142327 has 2 divisors, whose sum is σ = 42142328. Its totient is φ = 42142326.

The previous prime is 42142319. The next prime is 42142339. The reversal of 42142327 is 72324124.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42142327 - 2³ = 42142319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42142357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21071163 + 21071164.

It is an arithmetic number, because the mean of its divisors is an integer number (21071164).

Almost surely, 2^42142327 is an apocalyptic number.

42142327 is a deficient number, since it is larger than the sum of its proper divisors (1).

42142327 is an equidigital number, since it uses as much as digits as its factorization.

42142327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 25.

The square root of 42142327 is about 6491.7121778465. The cubic root of 42142327 is about 347.9948665953.

The spelling of 42142327 in words is "forty-two million, one hundred forty-two thousand, three hundred twenty-seven".