264340423 has 8 divisors (see below), whose sum is σ = 276277680. Its totient is φ = 252591360.

The previous prime is 264340337. The next prime is 264340451. The reversal of 264340423 is 324043462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264340423 - 2²¹ = 262243271 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 264340391 and 264340400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264341423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44173 + ... + 49798.

It is an arithmetic number, because the mean of its divisors is an integer number (34534710).

Almost surely, 2^264340423 is an apocalyptic number.

264340423 is a deficient number, since it is larger than the sum of its proper divisors (11937257).

264340423 is an equidigital number, since it uses as much as digits as its factorization.

264340423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94097.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 264340423 is about 16258.5492280215. The cubic root of 264340423 is about 641.7824845494.

Adding to 264340423 its reverse (324043462), we get a palindrome (588383885).

The spelling of 264340423 in words is "two hundred sixty-four million, three hundred forty thousand, four hundred twenty-three".