142313243 has 2 divisors, whose sum is σ = 142313244. Its totient is φ = 142313242.

The previous prime is 142313233. The next prime is 142313257. The reversal of 142313243 is 342313241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142313243 - 2²⁴ = 125536027 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (142313203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71156621 + 71156622.

It is an arithmetic number, because the mean of its divisors is an integer number (71156622).

Almost surely, 2^142313243 is an apocalyptic number.

142313243 is a deficient number, since it is larger than the sum of its proper divisors (1).

142313243 is an equidigital number, since it uses as much as digits as its factorization.

142313243 is an odious number, because the sum of its binary digits is odd.

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

The square root of 142313243 is about 11929.5114317394. The cubic root of 142313243 is about 522.0936828770.

Adding to 142313243 its reverse (342313241), we get a palindrome (484626484).

The spelling of 142313243 in words is "one hundred forty-two million, three hundred thirteen thousand, two hundred forty-three".