142323360505523 has 4 divisors (see below), whose sum is σ = 143732502688848. Its totient is φ = 140914218322200.

The previous prime is 142323360505511. The next prime is 142323360505537. The reversal of 142323360505523 is 325505063323241.

It is a happy number.

142323360505523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142323360505523 is a prime.

It is a super-2 number, since 2×142323360505523² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142323360501523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704571091511 + ... + 704571091712.

It is an arithmetic number, because the mean of its divisors is an integer number (35933125672212).

Almost surely, 2^{142323360505523} is an apocalyptic number.

142323360505523 is a deficient number, since it is larger than the sum of its proper divisors (1409142183325).

142323360505523 is a wasteful number, since it uses less digits than its factorization.

142323360505523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409142183324.

The product of its (nonzero) digits is 1944000, while the sum is 44.

The spelling of 142323360505523 in words is "one hundred forty-two trillion, three hundred twenty-three billion, three hundred sixty million, five hundred five thousand, five hundred twenty-three".