1323554141540 has 12 divisors (see below), whose sum is σ = 2779463697276. Its totient is φ = 529421656608.

The previous prime is 1323554141521. The next prime is 1323554141587. The reversal of 1323554141540 is 451414553231.

It can be written as a sum of positive squares in 2 ways, for example, as 385166701924 + 938387439616 = 620618^2 + 968704^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1323554141494 and 1323554141503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33088853519 + ... + 33088853558.

It is an arithmetic number, because the mean of its divisors is an integer number (231621974773).

Almost surely, 2^{1323554141540} is an apocalyptic number.

1323554141540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323554141540 is an abundant number, since it is smaller than the sum of its proper divisors (1455909555736).

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

1323554141540 is a wasteful number, since it uses less digits than its factorization.

1323554141540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66177707086 (or 66177707084 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 1323554141540 its reverse (451414553231), we get a palindrome (1774968694771).

The spelling of 1323554141540 in words is "one trillion, three hundred twenty-three billion, five hundred fifty-four million, one hundred forty-one thousand, five hundred forty".