264232523 has 4 divisors (see below), whose sum is σ = 268176360. Its totient is φ = 260288688.

The previous prime is 264232511. The next prime is 264232537. The reversal of 264232523 is 325232462.

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 264232523 - 2²⁶ = 197123659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264232583) 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, 1971818 + ... + 1971951.

It is an arithmetic number, because the mean of its divisors is an integer number (67044090).

Almost surely, 2^264232523 is an apocalyptic number.

264232523 is a deficient number, since it is larger than the sum of its proper divisors (3943837).

264232523 is an equidigital number, since it uses as much as digits as its factorization.

264232523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943836.

The product of its digits is 17280, while the sum is 29.

The square root of 264232523 is about 16255.2306350910. The cubic root of 264232523 is about 641.6951505056.

Adding to 264232523 its reverse (325232462), we get a palindrome (589464985).

The spelling of 264232523 in words is "two hundred sixty-four million, two hundred thirty-two thousand, five hundred twenty-three".