264147423 has 4 divisors (see below), whose sum is σ = 352196568. Its totient is φ = 176098280.

The previous prime is 264147419. The next prime is 264147431. The reversal of 264147423 is 324741462.

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 264147423 - 2² = 264147419 is a prime.

It is a super-2 number, since 2×264147423² = 139547722155081858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264147413) 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, 44024568 + ... + 44024573.

It is an arithmetic number, because the mean of its divisors is an integer number (88049142).

Almost surely, 2^264147423 is an apocalyptic number.

264147423 is a deficient number, since it is larger than the sum of its proper divisors (88049145).

264147423 is an equidigital number, since it uses as much as digits as its factorization.

264147423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88049144.

The product of its digits is 32256, while the sum is 33.

The square root of 264147423 is about 16252.6128053307. The cubic root of 264147423 is about 641.6262539643.

Adding to 264147423 its reverse (324741462), we get a palindrome (588888885).

The spelling of 264147423 in words is "two hundred sixty-four million, one hundred forty-seven thousand, four hundred twenty-three".