142043323 has 2 divisors, whose sum is σ = 142043324. Its totient is φ = 142043322.

The previous prime is 142043309. The next prime is 142043351. The reversal of 142043323 is 323340241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142043323 - 2⁹ = 142042811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142043294 and 142043303.

It is not a weakly prime, because it can be changed into another prime (142043303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71021661 + 71021662.

It is an arithmetic number, because the mean of its divisors is an integer number (71021662).

Almost surely, 2^142043323 is an apocalyptic number.

142043323 is a deficient number, since it is larger than the sum of its proper divisors (1).

142043323 is an equidigital number, since it uses as much as digits as its factorization.

142043323 is an evil number, because the sum of its binary digits is even.

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

The square root of 142043323 is about 11918.1929418851. The cubic root of 142043323 is about 521.7633957053.

Adding to 142043323 its reverse (323340241), we get a palindrome (465383564).

The spelling of 142043323 in words is "one hundred forty-two million, forty-three thousand, three hundred twenty-three".