142002323 has 4 divisors (see below), whose sum is σ = 142126848. Its totient is φ = 141877800.

The previous prime is 142002313. The next prime is 142002349. The reversal of 142002323 is 323200241.

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 142002323 - 2⁴ = 142002307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142002313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60536 + ... + 62837.

It is an arithmetic number, because the mean of its divisors is an integer number (35531712).

Almost surely, 2^142002323 is an apocalyptic number.

142002323 is a deficient number, since it is larger than the sum of its proper divisors (124525).

142002323 is a wasteful number, since it uses less digits than its factorization.

142002323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124524.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 142002323 is about 11916.4727583291. The cubic root of 142002323 is about 521.7131895256.

Adding to 142002323 its reverse (323200241), we get a palindrome (465202564).

The spelling of 142002323 in words is "one hundred forty-two million, two thousand, three hundred twenty-three".