1323434344140 has 96 divisors (see below), whose sum is σ = 4175342277120. Its totient is φ = 347945169600.

The previous prime is 1323434344121. The next prime is 1323434344147. The reversal of 1323434344140 is 414434343231.

1323434344140 is a `hidden beast` number, since 1 + 3 + 234 + 3 + 4 + 3 + 4 + 414 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1323434344095 and 1323434344104.

It is not an unprimeable number, because it can be changed into a prime (1323434344147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17220846 + ... + 17297525.

It is an arithmetic number, because the mean of its divisors is an integer number (43493148720).

Almost surely, 2^{1323434344140} is an apocalyptic number.

1323434344140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323434344140 is an abundant number, since it is smaller than the sum of its proper divisors (2851907932980).

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

1323434344140 is a wasteful number, since it uses less digits than its factorization.

1323434344140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34518460 (or 34518452 counting only the distinct ones).

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

Adding to 1323434344140 its reverse (414434343231), we get a palindrome (1737868687371).

Subtracting from 1323434344140 its reverse (414434343231), we obtain a palindrome (909000000909).

The spelling of 1323434344140 in words is "one trillion, three hundred twenty-three billion, four hundred thirty-four million, three hundred forty-four thousand, one hundred forty".