1323523355 has 32 divisors (see below), whose sum is σ = 2096616960. Its totient is φ = 776517120.

The previous prime is 1323523351. The next prime is 1323523391. The reversal of 1323523355 is 5533253231.

It is not a de Polignac number, because 1323523355 - 2² = 1323523351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1323523351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94565 + ... + 107654.

It is an arithmetic number, because the mean of its divisors is an integer number (65519280).

Almost surely, 2^1323523355 is an apocalyptic number.

1323523355 is a deficient number, since it is larger than the sum of its proper divisors (773093605).

1323523355 is a wasteful number, since it uses less digits than its factorization.

1323523355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202259.

The product of its digits is 40500, while the sum is 32.

The square root of 1323523355 is about 36380.2605130859. The cubic root of 1323523355 is about 1097.9364494745.

Adding to 1323523355 its reverse (5533253231), we get a palindrome (6856776586).

The spelling of 1323523355 in words is "one billion, three hundred twenty-three million, five hundred twenty-three thousand, three hundred fifty-five".