1327823511 has 48 divisors (see below), whose sum is σ = 2156361984. Its totient is φ = 723292416.

The previous prime is 1327823501. The next prime is 1327823579. The reversal of 1327823511 is 1153287231.

It is a happy number.

It is not a de Polignac number, because 1327823511 - 2¹³ = 1327815319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327823501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1463520 + ... + 1464426.

It is an arithmetic number, because the mean of its divisors is an integer number (44924208).

Almost surely, 2^1327823511 is an apocalyptic number.

1327823511 is a deficient number, since it is larger than the sum of its proper divisors (828538473).

1327823511 is a wasteful number, since it uses less digits than its factorization.

1327823511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380 (or 1373 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 1327823511 is about 36439.3127130576. The cubic root of 1327823511 is about 1099.1242371079.

The spelling of 1327823511 in words is "one billion, three hundred twenty-seven million, eight hundred twenty-three thousand, five hundred eleven".