23423265 has 24 divisors (see below), whose sum is σ = 40795560. Its totient is φ = 12432384.

The previous prime is 23423243. The next prime is 23423273. The reversal of 23423265 is 56232432.

It can be written as a sum of positive squares in 4 ways, for example, as 12194064 + 11229201 = 3492^2 + 3351^2 .

It is not a de Polignac number, because 23423265 - 2⁷ = 23423137 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9169 + ... + 11441.

It is an arithmetic number, because the mean of its divisors is an integer number (1699815).

Almost surely, 2^23423265 is an apocalyptic number.

It is an amenable number.

23423265 is a deficient number, since it is larger than the sum of its proper divisors (17372295).

23423265 is a wasteful number, since it uses less digits than its factorization.

23423265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513 (or 2510 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 23423265 is about 4839.7587749804. The cubic root of 23423265 is about 286.1206111011.

Adding to 23423265 its reverse (56232432), we get a palindrome (79655697).

The spelling of 23423265 in words is "twenty-three million, four hundred twenty-three thousand, two hundred sixty-five".