142321123044022 has 32 divisors (see below), whose sum is σ = 237689824022784. Its totient is φ = 63468577382400.

The previous prime is 142321123043989. The next prime is 142321123044071. The reversal of 142321123044022 is 220440321123241.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137218983 + ... + 138252274.

It is an arithmetic number, because the mean of its divisors is an integer number (7427807000712).

Almost surely, 2^{142321123044022} is an apocalyptic number.

142321123044022 is a deficient number, since it is larger than the sum of its proper divisors (95368700978762).

142321123044022 is a wasteful number, since it uses less digits than its factorization.

142321123044022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275471944.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 142321123044022 its reverse (220440321123241), we get a palindrome (362761444167263).

The spelling of 142321123044022 in words is "one hundred forty-two trillion, three hundred twenty-one billion, one hundred twenty-three million, forty-four thousand, twenty-two".