1323133333 has 4 divisors (see below), whose sum is σ = 1323481120. Its totient is φ = 1322785548.

The previous prime is 1323133327. The next prime is 1323133373. The reversal of 1323133333 is 3333313231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3333313231 = 269 ⋅12391499.

It is a cyclic number.

It is not a de Polignac number, because 1323133333 - 2⁹ = 1323132821 is a prime.

It is a Duffinian number.

1323133333 is a modest number, since divided by 33333 gives 13231 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1323133298 and 1323133307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323133303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168123 + ... + 175816.

It is an arithmetic number, because the mean of its divisors is an integer number (330870280).

Almost surely, 2^1323133333 is an apocalyptic number.

It is an amenable number.

1323133333 is a deficient number, since it is larger than the sum of its proper divisors (347787).

1323133333 is an equidigital number, since it uses as much as digits as its factorization.

1323133333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347786.

The product of its digits is 4374, while the sum is 25.

The square root of 1323133333 is about 36374.8997661849. The cubic root of 1323133333 is about 1097.8285905442.

Adding to 1323133333 its reverse (3333313231), we get a palindrome (4656446564).

It can be divided in two parts, 13231 and 33333, that added together give a palindrome (46564).

The spelling of 1323133333 in words is "one billion, three hundred twenty-three million, one hundred thirty-three thousand, three hundred thirty-three".