19142327 has 2 divisors, whose sum is σ = 19142328. Its totient is φ = 19142326.

The previous prime is 19142311. The next prime is 19142341. The reversal of 19142327 is 72324191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19142327 - 2⁴ = 19142311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19142327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19142377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9571163 + 9571164.

It is an arithmetic number, because the mean of its divisors is an integer number (9571164).

Almost surely, 2^19142327 is an apocalyptic number.

19142327 is a deficient number, since it is larger than the sum of its proper divisors (1).

19142327 is an equidigital number, since it uses as much as digits as its factorization.

19142327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 19142327 is about 4375.1945099618. The cubic root of 19142327 is about 267.5047985863.

The spelling of 19142327 in words is "nineteen million, one hundred forty-two thousand, three hundred twenty-seven".