264873623 has 16 divisors (see below), whose sum is σ = 325432320. Its totient is φ = 210504096.

The previous prime is 264873619. The next prime is 264873647. The reversal of 264873623 is 326378462.

It is a cyclic number.

It is not a de Polignac number, because 264873623 - 2² = 264873619 is a prime.

It is a super-2 number, since 2×264873623² = 140316072322292258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264873023) 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 15 ways as a sum of consecutive naturals, for example, 14936 + ... + 27437.

It is an arithmetic number, because the mean of its divisors is an integer number (20339520).

Almost surely, 2^264873623 is an apocalyptic number.

264873623 is a deficient number, since it is larger than the sum of its proper divisors (60558697).

264873623 is a wasteful number, since it uses less digits than its factorization.

264873623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42446.

The product of its digits is 290304, while the sum is 41.

The square root of 264873623 is about 16274.9384945074. The cubic root of 264873623 is about 642.2137070264.

The spelling of 264873623 in words is "two hundred sixty-four million, eight hundred seventy-three thousand, six hundred twenty-three".