264001323 has 16 divisors (see below), whose sum is σ = 356758560. Its totient is φ = 173631744.

The previous prime is 264001289. The next prime is 264001393. The reversal of 264001323 is 323100462.

It is a happy number.

It is not a de Polignac number, because 264001323 - 2⁶ = 264001259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264001323.

It is not an unprimeable number, because it can be changed into a prime (264001393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162865 + ... + 164477.

It is an arithmetic number, because the mean of its divisors is an integer number (22297410).

Almost surely, 2^264001323 is an apocalyptic number.

264001323 is a deficient number, since it is larger than the sum of its proper divisors (92757237).

264001323 is a wasteful number, since it uses less digits than its factorization.

264001323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 264001323 is about 16248.1175217316. The cubic root of 264001323 is about 641.5079376054.

Adding to 264001323 its reverse (323100462), we get a palindrome (587101785).

The spelling of 264001323 in words is "two hundred sixty-four million, one thousand, three hundred twenty-three".