1323513541 has 8 divisors (see below), whose sum is σ = 1578351744. Its totient is φ = 1085116560.

The previous prime is 1323513487. The next prime is 1323513553. The reversal of 1323513541 is 1453153231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323513541 - 2¹⁵ = 1323480773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323513041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4110130 + ... + 4110451.

It is an arithmetic number, because the mean of its divisors is an integer number (197293968).

Almost surely, 2^1323513541 is an apocalyptic number.

It is an amenable number.

1323513541 is a deficient number, since it is larger than the sum of its proper divisors (254838203).

1323513541 is an equidigital number, since it uses as much as digits as its factorization.

1323513541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8220611.

The product of its digits is 5400, while the sum is 28.

The square root of 1323513541 is about 36380.1256319986. The cubic root of 1323513541 is about 1097.9337357143.

Adding to 1323513541 its reverse (1453153231), we get a palindrome (2776666772).

The spelling of 1323513541 in words is "one billion, three hundred twenty-three million, five hundred thirteen thousand, five hundred forty-one".