142444344123 has 16 divisors (see below), whose sum is σ = 211035367200. Its totient is φ = 94959876960.

The previous prime is 142444344101. The next prime is 142444344127. The reversal of 142444344123 is 321443444241.

142444344123 is a `hidden beast` number, since 142 + 44 + 434 + 41 + 2 + 3 = 666.

It is not a de Polignac number, because 142444344123 - 2¹⁰ = 142444343099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142444344127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1069513 + ... + 1195301.

It is an arithmetic number, because the mean of its divisors is an integer number (13189710450).

Almost surely, 2^142444344123 is an apocalyptic number.

142444344123 is a deficient number, since it is larger than the sum of its proper divisors (68591023077).

142444344123 is a wasteful number, since it uses less digits than its factorization.

142444344123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167739 (or 167733 counting only the distinct ones).

The product of its digits is 147456, while the sum is 36.

Adding to 142444344123 its reverse (321443444241), we get a palindrome (463887788364).

The spelling of 142444344123 in words is "one hundred forty-two billion, four hundred forty-four million, three hundred forty-four thousand, one hundred twenty-three".