142631323427 has 8 divisors (see below), whose sum is σ = 143511461856. Its totient is φ = 141751495552.

The previous prime is 142631323349. The next prime is 142631323519. The reversal of 142631323427 is 724323136241.

142631323427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 142631323427 - 2²⁴ = 142614546211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142631323327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880043 + ... + 1029435.

It is an arithmetic number, because the mean of its divisors is an integer number (17938932732).

Almost surely, 2^142631323427 is an apocalyptic number.

142631323427 is a deficient number, since it is larger than the sum of its proper divisors (880138429).

142631323427 is a wasteful number, since it uses less digits than its factorization.

142631323427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155277.

The product of its digits is 145152, while the sum is 38.

Adding to 142631323427 its reverse (724323136241), we get a palindrome (866954459668).

The spelling of 142631323427 in words is "one hundred forty-two billion, six hundred thirty-one million, three hundred twenty-three thousand, four hundred twenty-seven".