142133423 has 2 divisors, whose sum is σ = 142133424. Its totient is φ = 142133422.

The previous prime is 142133401. The next prime is 142133441. The reversal of 142133423 is 324331241.

142133423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142133423 - 2¹⁰ = 142132399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142133443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71066711 + 71066712.

It is an arithmetic number, because the mean of its divisors is an integer number (71066712).

Almost surely, 2^142133423 is an apocalyptic number.

142133423 is a deficient number, since it is larger than the sum of its proper divisors (1).

142133423 is an equidigital number, since it uses as much as digits as its factorization.

142133423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 142133423 is about 11921.9722781090. The cubic root of 142133423 is about 521.8736929127.

Adding to 142133423 its reverse (324331241), we get a palindrome (466464664).

The spelling of 142133423 in words is "one hundred forty-two million, one hundred thirty-three thousand, four hundred twenty-three".