1323503433 has 24 divisors (see below), whose sum is σ = 2200793088. Its totient is φ = 750762432.

The previous prime is 1323503417. The next prime is 1323503443. The reversal of 1323503433 is 3343053231.

It is a happy number.

It is not a de Polignac number, because 1323503433 - 2⁴ = 1323503417 is a prime.

It is a super-2 number, since 2×1323503433² = 3503322674325570978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1323503397 and 1323503406.

It is not an unprimeable number, because it can be changed into a prime (1323503413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68041 + ... + 85302.

It is an arithmetic number, because the mean of its divisors is an integer number (91699712).

Almost surely, 2^1323503433 is an apocalyptic number.

It is an amenable number.

1323503433 is a deficient number, since it is larger than the sum of its proper divisors (877289655).

1323503433 is a wasteful number, since it uses less digits than its factorization.

1323503433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153493 (or 153490 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 27.

The square root of 1323503433 is about 36379.9867097282. The cubic root of 1323503433 is about 1097.9309406435.

Adding to 1323503433 its reverse (3343053231), we get a palindrome (4666556664).

The spelling of 1323503433 in words is "one billion, three hundred twenty-three million, five hundred three thousand, four hundred thirty-three".