264916823 has 4 divisors (see below), whose sum is σ = 265153848. Its totient is φ = 264679800.

The previous prime is 264916807. The next prime is 264916853. The reversal of 264916823 is 328619462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 264916823 - 2⁴ = 264916807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264916853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116828 + ... + 119073.

It is an arithmetic number, because the mean of its divisors is an integer number (66288462).

Almost surely, 2^264916823 is an apocalyptic number.

264916823 is a deficient number, since it is larger than the sum of its proper divisors (237025).

264916823 is a wasteful number, since it uses less digits than its factorization.

264916823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237024.

The product of its digits is 124416, while the sum is 41.

The square root of 264916823 is about 16276.2656343524. The cubic root of 264916823 is about 642.2486194294.

The spelling of 264916823 in words is "two hundred sixty-four million, nine hundred sixteen thousand, eight hundred twenty-three".