142423633344 has 112 divisors (see below), whose sum is σ = 378298252800. Its totient is φ = 47289876480.

The previous prime is 142423633307. The next prime is 142423633351. The reversal of 142423633344 is 443336324241.

It is a super-2 number, since 2×142423633344² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 76120729 + ... + 76122599.

Almost surely, 2^142423633344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142423633344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189149126400).

142423633344 is an abundant number, since it is smaller than the sum of its proper divisors (235874619456).

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

142423633344 is a wasteful number, since it uses less digits than its factorization.

142423633344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218 (or 3208 counting only the distinct ones).

The product of its digits is 497664, while the sum is 39.

Adding to 142423633344 its reverse (443336324241), we get a palindrome (585759957585).

The spelling of 142423633344 in words is "one hundred forty-two billion, four hundred twenty-three million, six hundred thirty-three thousand, three hundred forty-four".