142423033 has 2 divisors, whose sum is σ = 142423034. Its totient is φ = 142423032.

The previous prime is 142423013. The next prime is 142423081. The reversal of 142423033 is 330324241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134374464 + 8048569 = 11592^2 + 2837^2 .

It is a cyclic number.

It is not a de Polignac number, because 142423033 - 2²⁵ = 108868601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142422995 and 142423013.

It is not a weakly prime, because it can be changed into another prime (142423013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71211516 + 71211517.

It is an arithmetic number, because the mean of its divisors is an integer number (71211517).

Almost surely, 2^142423033 is an apocalyptic number.

It is an amenable number.

142423033 is a deficient number, since it is larger than the sum of its proper divisors (1).

142423033 is an equidigital number, since it uses as much as digits as its factorization.

142423033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 142423033 is about 11934.1121580116. The cubic root of 142423033 is about 522.2279077513.

Adding to 142423033 its reverse (330324241), we get a palindrome (472747274).

The spelling of 142423033 in words is "one hundred forty-two million, four hundred twenty-three thousand, thirty-three".