264738823 has 2 divisors, whose sum is σ = 264738824. Its totient is φ = 264738822.

The previous prime is 264738757. The next prime is 264738829. The reversal of 264738823 is 328837462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264738823 - 2⁹ = 264738311 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 264738823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264738829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132369411 + 132369412.

It is an arithmetic number, because the mean of its divisors is an integer number (132369412).

Almost surely, 2^264738823 is an apocalyptic number.

264738823 is a deficient number, since it is larger than the sum of its proper divisors (1).

264738823 is an equidigital number, since it uses as much as digits as its factorization.

264738823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 43.

The square root of 264738823 is about 16270.7966307738. The cubic root of 264738823 is about 642.1047429895.

The spelling of 264738823 in words is "two hundred sixty-four million, seven hundred thirty-eight thousand, eight hundred twenty-three".