142245326123 has 4 divisors (see below), whose sum is σ = 144368390760. Its totient is φ = 140122261488.

The previous prime is 142245326107. The next prime is 142245326149. The reversal of 142245326123 is 321623542241.

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 142245326123 - 2⁴ = 142245326107 is a prime.

It is a super-2 number, since 2×142245326123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142245329123) 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, 1061532218 + ... + 1061532351.

It is an arithmetic number, because the mean of its divisors is an integer number (36092097690).

Almost surely, 2^142245326123 is an apocalyptic number.

142245326123 is a deficient number, since it is larger than the sum of its proper divisors (2123064637).

142245326123 is an equidigital number, since it uses as much as digits as its factorization.

142245326123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123064636.

The product of its digits is 69120, while the sum is 35.

Adding to 142245326123 its reverse (321623542241), we get a palindrome (463868868364).

The spelling of 142245326123 in words is "one hundred forty-two billion, two hundred forty-five million, three hundred twenty-six thousand, one hundred twenty-three".