142323823 has 4 divisors (see below), whose sum is σ = 142351200. Its totient is φ = 142296448.

The previous prime is 142323809. The next prime is 142323827. The reversal of 142323823 is 328323241.

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

It is a cyclic number.

It is not a de Polignac number, because 142323823 - 2⁵ = 142323791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142323791 and 142323800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142323827) 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, 3223 + ... + 17176.

It is an arithmetic number, because the mean of its divisors is an integer number (35587800).

Almost surely, 2^142323823 is an apocalyptic number.

142323823 is a deficient number, since it is larger than the sum of its proper divisors (27377).

142323823 is an equidigital number, since it uses as much as digits as its factorization.

142323823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27376.

The product of its digits is 6912, while the sum is 28.

The square root of 142323823 is about 11929.9548616078. The cubic root of 142323823 is about 522.1066205680.

The spelling of 142323823 in words is "one hundred forty-two million, three hundred twenty-three thousand, eight hundred twenty-three".