142660423 has 2 divisors, whose sum is σ = 142660424. Its totient is φ = 142660422.

The previous prime is 142660403. The next prime is 142660439. The reversal of 142660423 is 324066241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142660423 - 2⁹ = 142659911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142660391 and 142660400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142660403) 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, 71330211 + 71330212.

It is an arithmetic number, because the mean of its divisors is an integer number (71330212).

Almost surely, 2^142660423 is an apocalyptic number.

142660423 is a deficient number, since it is larger than the sum of its proper divisors (1).

142660423 is an equidigital number, since it uses as much as digits as its factorization.

142660423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 142660423 is about 11944.0538763018. The cubic root of 142660423 is about 522.5178956501.

The spelling of 142660423 in words is "one hundred forty-two million, six hundred sixty thousand, four hundred twenty-three".