1323143442342 has 96 divisors (see below), whose sum is σ = 3009228558336. Its totient is φ = 419372712000.

The previous prime is 1323143442323. The next prime is 1323143442353. The reversal of 1323143442342 is 2432443413231.

1323143442342 is a `hidden beast` number, since 1 + 3 + 231 + 43 + 4 + 42 + 342 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1323143442297 and 1323143442306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48011467 + ... + 48039017.

It is an arithmetic number, because the mean of its divisors is an integer number (31346130816).

Almost surely, 2^{1323143442342} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323143442342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1504614279168).

1323143442342 is an abundant number, since it is smaller than the sum of its proper divisors (1686085115994).

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

1323143442342 is a wasteful number, since it uses less digits than its factorization.

1323143442342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28266 (or 28263 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

Adding to 1323143442342 its reverse (2432443413231), we get a palindrome (3755586855573).

The spelling of 1323143442342 in words is "one trillion, three hundred twenty-three billion, one hundred forty-three million, four hundred forty-two thousand, three hundred forty-two".