142323531104220 has 96 divisors (see below), whose sum is σ = 428404985164800. Its totient is φ = 35190409469184.

The previous prime is 142323531104207. The next prime is 142323531104291. The reversal of 142323531104220 is 22401135323241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1328086875 + ... + 1328194034.

It is an arithmetic number, because the mean of its divisors is an integer number (4462551928800).

Almost surely, 2^{142323531104220} is an apocalyptic number.

142323531104220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142323531104220 is an abundant number, since it is smaller than the sum of its proper divisors (286081454060580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142323531104220 is a wasteful number, since it uses less digits than its factorization.

142323531104220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656280987 (or 2656280985 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 142323531104220 its reverse (22401135323241), we get a palindrome (164724666427461).

The spelling of 142323531104220 in words is "one hundred forty-two trillion, three hundred twenty-three billion, five hundred thirty-one million, one hundred four thousand, two hundred twenty".