264789923 has 8 divisors (see below), whose sum is σ = 274216800. Its totient is φ = 255382848.

The previous prime is 264789919. The next prime is 264789937. The reversal of 264789923 is 329987462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264789923 - 2² = 264789919 is a prime.

It is a super-2 number, since 2×264789923² = 140227406644691858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264789223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25538 + ... + 34376.

It is an arithmetic number, because the mean of its divisors is an integer number (34277100).

Almost surely, 2^264789923 is an apocalyptic number.

264789923 is a deficient number, since it is larger than the sum of its proper divisors (9426877).

264789923 is a wasteful number, since it uses less digits than its factorization.

264789923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9901.

The product of its digits is 1306368, while the sum is 50.

The square root of 264789923 is about 16272.3668530426. The cubic root of 264789923 is about 642.1460534417.

The spelling of 264789923 in words is "two hundred sixty-four million, seven hundred eighty-nine thousand, nine hundred twenty-three".