142312427 has 2 divisors, whose sum is σ = 142312428. Its totient is φ = 142312426.

The previous prime is 142312411. The next prime is 142312441. The reversal of 142312427 is 724213241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142312427 - 2⁴ = 142312411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142312396 and 142312405.

It is not a weakly prime, because it can be changed into another prime (142312447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71156213 + 71156214.

It is an arithmetic number, because the mean of its divisors is an integer number (71156214).

Almost surely, 2^142312427 is an apocalyptic number.

142312427 is a deficient number, since it is larger than the sum of its proper divisors (1).

142312427 is an equidigital number, since it uses as much as digits as its factorization.

142312427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 26.

The square root of 142312427 is about 11929.4772307926. The cubic root of 142312427 is about 522.0926850096.

Adding to 142312427 its reverse (724213241), we get a palindrome (866525668).

The spelling of 142312427 in words is "one hundred forty-two million, three hundred twelve thousand, four hundred twenty-seven".