142200523 has 2 divisors, whose sum is σ = 142200524. Its totient is φ = 142200522.

The previous prime is 142200511. The next prime is 142200547. The reversal of 142200523 is 325002241.

It is a weak prime.

It is an emirp because it is prime and its reverse (325002241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142200523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142200523.

It is not a weakly prime, because it can be changed into another prime (142200593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71100261 + 71100262.

It is an arithmetic number, because the mean of its divisors is an integer number (71100262).

Almost surely, 2^142200523 is an apocalyptic number.

142200523 is a deficient number, since it is larger than the sum of its proper divisors (1).

142200523 is an equidigital number, since it uses as much as digits as its factorization.

142200523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 142200523 is about 11924.7860777458. The cubic root of 142200523 is about 521.9558040610.

Adding to 142200523 its reverse (325002241), we get a palindrome (467202764).

The spelling of 142200523 in words is "one hundred forty-two million, two hundred thousand, five hundred twenty-three".