1323911275 has 24 divisors (see below), whose sum is σ = 1692123840. Its totient is φ = 1026984960.

The previous prime is 1323911269. The next prime is 1323911291. The reversal of 1323911275 is 5721193231.

It is not a de Polignac number, because 1323911275 - 2¹³ = 1323903083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1323911275.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122907 + ... + 133243.

It is an arithmetic number, because the mean of its divisors is an integer number (70505160).

Almost surely, 2^1323911275 is an apocalyptic number.

1323911275 is a deficient number, since it is larger than the sum of its proper divisors (368212565).

1323911275 is a wasteful number, since it uses less digits than its factorization.

1323911275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10503 (or 10498 counting only the distinct ones).

The product of its digits is 11340, while the sum is 34.

The square root of 1323911275 is about 36385.5915851316. The cubic root of 1323911275 is about 1098.0437060891.

The spelling of 1323911275 in words is "one billion, three hundred twenty-three million, nine hundred eleven thousand, two hundred seventy-five".