264264623 has 4 divisors (see below), whose sum is σ = 302016720. Its totient is φ = 226512528.

The previous prime is 264264607. The next prime is 264264659. The reversal of 264264623 is 326462462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326462462 = 2 ⋅163231231.

It is a cyclic number.

It is not a de Polignac number, because 264264623 - 2⁴ = 264264607 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 (264264023) 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 3 ways as a sum of consecutive naturals, for example, 18876038 + ... + 18876051.

It is an arithmetic number, because the mean of its divisors is an integer number (75504180).

Almost surely, 2^264264623 is an apocalyptic number.

264264623 is a deficient number, since it is larger than the sum of its proper divisors (37752097).

264264623 is an equidigital number, since it uses as much as digits as its factorization.

264264623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37752096.

The product of its digits is 82944, while the sum is 35.

The square root of 264264623 is about 16256.2179795917. The cubic root of 264264623 is about 641.7211346653.

The spelling of 264264623 in words is "two hundred sixty-four million, two hundred sixty-four thousand, six hundred twenty-three".