142312443121003 has 4 divisors (see below), whose sum is σ = 142312475127168. Its totient is φ = 142312411114840.

The previous prime is 142312443120949. The next prime is 142312443121073. The reversal of 142312443121003 is 300121344213241.

It is a happy number.

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 142312443121003 - 2²⁹ = 142311906250091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142312443121073) 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, 7999051 + ... + 18671092.

It is an arithmetic number, because the mean of its divisors is an integer number (35578118781792).

Almost surely, 2^{142312443121003} is an apocalyptic number.

142312443121003 is a deficient number, since it is larger than the sum of its proper divisors (32006165).

142312443121003 is an equidigital number, since it uses as much as digits as its factorization.

142312443121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32006164.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 142312443121003 its reverse (300121344213241), we get a palindrome (442433787334244).

The spelling of 142312443121003 in words is "one hundred forty-two trillion, three hundred twelve billion, four hundred forty-three million, one hundred twenty-one thousand, three".