1323133133 has 8 divisors (see below), whose sum is σ = 1543012800. Its totient is φ = 1134113820.

The previous prime is 1323133093. The next prime is 1323133183. The reversal of 1323133133 is 3313313231.

It is not a de Polignac number, because 1323133133 - 2¹² = 1323129037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323133099 and 1323133108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323133183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1928423 + ... + 1929108.

It is an arithmetic number, because the mean of its divisors is an integer number (192876600).

Almost surely, 2^1323133133 is an apocalyptic number.

It is an amenable number.

1323133133 is a deficient number, since it is larger than the sum of its proper divisors (219879667).

1323133133 is an frugal number, since it uses more digits than its factorization.

1323133133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857552 (or 3857538 counting only the distinct ones).

The product of its digits is 1458, while the sum is 23.

The square root of 1323133133 is about 36374.8970170364. The cubic root of 1323133133 is about 1097.8285352296.

Adding to 1323133133 its reverse (3313313231), we get a palindrome (4636446364).

It can be divided in two parts, 13231 and 33133, that added together give a palindrome (46364).

The spelling of 1323133133 in words is "one billion, three hundred twenty-three million, one hundred thirty-three thousand, one hundred thirty-three".