1264717323 has 48 divisors (see below), whose sum is σ = 1944933120. Its totient is φ = 791556480.

The previous prime is 1264717319. The next prime is 1264717351. The reversal of 1264717323 is 3237174621.

1264717323 is a `hidden beast` number, since 1 + 2 + 647 + 1 + 7 + 3 + 2 + 3 = 666.

It is not a de Polignac number, because 1264717323 - 2² = 1264717319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1264717523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14210263 + ... + 14210351.

It is an arithmetic number, because the mean of its divisors is an integer number (40519440).

Almost surely, 2^1264717323 is an apocalyptic number.

1264717323 is a deficient number, since it is larger than the sum of its proper divisors (680215797).

1264717323 is an frugal number, since it uses more digits than its factorization.

1264717323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 176 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 1264717323 is about 35562.8643812615. The cubic root of 1264717323 is about 1081.4285288734.

The spelling of 1264717323 in words is "one billion, two hundred sixty-four million, seven hundred seventeen thousand, three hundred twenty-three".