1323546536 has 128 divisors (see below), whose sum is σ = 2963452800. Its totient is φ = 548674560.

The previous prime is 1323546527. The next prime is 1323546541. The reversal of 1323546536 is 6356453231.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 1323546536.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3143606 + ... + 3144026.

It is an arithmetic number, because the mean of its divisors is an integer number (23151975).

Almost surely, 2^1323546536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323546536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1481726400).

1323546536 is an abundant number, since it is smaller than the sum of its proper divisors (1639906264).

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

1323546536 is a wasteful number, since it uses less digits than its factorization.

1323546536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 535 counting only the distinct ones).

The product of its digits is 194400, while the sum is 38.

The square root of 1323546536 is about 36380.5791047916. The cubic root of 1323546536 is about 1097.9428594146.

Adding to 1323546536 its reverse (6356453231), we get a palindrome (7679999767).

It can be divided in two parts, 132354 and 6536, that multiplied together give a square (865065744 = 29412²).

The spelling of 1323546536 in words is "one billion, three hundred twenty-three million, five hundred forty-six thousand, five hundred thirty-six".