142221331323 has 24 divisors (see below), whose sum is σ = 206003191680. Its totient is φ = 94550403840.

The previous prime is 142221331277. The next prime is 142221331327. The reversal of 142221331323 is 323133122241.

142221331323 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 2 + 1 + 331 + 323 = 666.

142221331323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-142221331323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142221331327) 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 23 ways as a sum of consecutive naturals, for example, 5007958 + ... + 5036276.

It is an arithmetic number, because the mean of its divisors is an integer number (8583466320).

Almost surely, 2^142221331323 is an apocalyptic number.

142221331323 is a deficient number, since it is larger than the sum of its proper divisors (63781860357).

142221331323 is a wasteful number, since it uses less digits than its factorization.

142221331323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29859 (or 29856 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 142221331323 its reverse (323133122241), we get a palindrome (465354453564).

The spelling of 142221331323 in words is "one hundred forty-two billion, two hundred twenty-one million, three hundred thirty-one thousand, three hundred twenty-three".