142323013 has 8 divisors (see below), whose sum is σ = 166622400. Its totient is φ = 119015520.

The previous prime is 142323007. The next prime is 142323019. The reversal of 142323013 is 310323241.

It is an interprime number because it is at equal distance from previous prime (142323007) and next prime (142323019).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142323013 - 2²⁵ = 108768581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142323019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247663 + ... + 248236.

It is an arithmetic number, because the mean of its divisors is an integer number (20827800).

Almost surely, 2^142323013 is an apocalyptic number.

It is an amenable number.

142323013 is a deficient number, since it is larger than the sum of its proper divisors (24299387).

142323013 is an equidigital number, since it uses as much as digits as its factorization.

142323013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495947.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 142323013 is about 11929.9209134009. The cubic root of 142323013 is about 522.1056300870.

Adding to 142323013 its reverse (310323241), we get a palindrome (452646254).

The spelling of 142323013 in words is "one hundred forty-two million, three hundred twenty-three thousand, thirteen".