1323430142144 has 56 divisors (see below), whose sum is σ = 2872070543376. Its totient is φ = 600058880000.

The previous prime is 1323430142137. The next prime is 1323430142183. The reversal of 1323430142144 is 4412410343231.

It is a super-2 number, since 2×1323430142144² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1323430142144.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2061677 + ... + 2626284.

Almost surely, 2^{1323430142144} is an apocalyptic number.

It is an amenable number.

1323430142144 is an abundant number, since it is smaller than the sum of its proper divisors (1548640401232).

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

1323430142144 is a wasteful number, since it uses less digits than its factorization.

1323430142144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4688385 (or 4688375 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 1323430142144 its reverse (4412410343231), we get a palindrome (5735840485375).

The spelling of 1323430142144 in words is "one trillion, three hundred twenty-three billion, four hundred thirty million, one hundred forty-two thousand, one hundred forty-four".