1323250313540 has 12 divisors (see below), whose sum is σ = 2778825658476. Its totient is φ = 529300125408.

The previous prime is 1323250313509. The next prime is 1323250313549. The reversal of 1323250313540 is 453130523231.

It can be written as a sum of positive squares in 2 ways, for example, as 306286978624 + 1016963334916 = 553432^2 + 1008446^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1323250313497 and 1323250313506.

It is not an unprimeable number, because it can be changed into a prime (1323250313549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33081257819 + ... + 33081257858.

It is an arithmetic number, because the mean of its divisors is an integer number (231568804873).

Almost surely, 2^{1323250313540} is an apocalyptic number.

1323250313540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323250313540 is an abundant number, since it is smaller than the sum of its proper divisors (1455575344936).

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

1323250313540 is a wasteful number, since it uses less digits than its factorization.

1323250313540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66162515686 (or 66162515684 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 1323250313540 its reverse (453130523231), we get a palindrome (1776380836771).

The spelling of 1323250313540 in words is "one trillion, three hundred twenty-three billion, two hundred fifty million, three hundred thirteen thousand, five hundred forty".