1323145323 has 12 divisors (see below), whose sum is σ = 1915755088. Its totient is φ = 879999120.

The previous prime is 1323145321. The next prime is 1323145331. The reversal of 1323145323 is 3235413231.

1323145323 is a `hidden beast` number, since 1 + 323 + 14 + 5 + 323 = 666.

It is not a de Polignac number, because 1323145323 - 2¹ = 1323145321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323145321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170815 + ... + 178392.

Almost surely, 2^1323145323 is an apocalyptic number.

1323145323 is a deficient number, since it is larger than the sum of its proper divisors (592609765).

1323145323 is a wasteful number, since it uses less digits than its factorization.

1323145323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349634 (or 349631 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 1323145323 is about 36375.0645772623. The cubic root of 1323145323 is about 1097.8319066436.

Adding to 1323145323 its reverse (3235413231), we get a palindrome (4558558554).

The spelling of 1323145323 in words is "one billion, three hundred twenty-three million, one hundred forty-five thousand, three hundred twenty-three".