142321344442623 has 24 divisors (see below), whose sum is σ = 214546060937520. Its totient is φ = 90798440866560.

The previous prime is 142321344442561. The next prime is 142321344442649. The reversal of 142321344442623 is 326244443123241.

142321344442623 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 2 + 1 + 344 + 44 + 262 + 3 = 666.

It is not a de Polignac number, because 142321344442623 - 2⁶ = 142321344442559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142321344442523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2412769213 + ... + 2412828198.

It is an arithmetic number, because the mean of its divisors is an integer number (8939419205730).

Almost surely, 2^{142321344442623} is an apocalyptic number.

142321344442623 is a deficient number, since it is larger than the sum of its proper divisors (72224716494897).

142321344442623 is a wasteful number, since it uses less digits than its factorization.

142321344442623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4825597559 (or 4825597556 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 45.

Adding to 142321344442623 its reverse (326244443123241), we get a palindrome (468565787565864).

The spelling of 142321344442623 in words is "one hundred forty-two trillion, three hundred twenty-one billion, three hundred forty-four million, four hundred forty-two thousand, six hundred twenty-three".