23553456 has 20 divisors (see below), whose sum is σ = 60846552. Its totient is φ = 7851136.

The previous prime is 23553427. The next prime is 23553461. The reversal of 23553456 is 65435532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245301 + ... + 245396.

Almost surely, 2^23553456 is an apocalyptic number.

It is an amenable number.

23553456 is an abundant number, since it is smaller than the sum of its proper divisors (37293096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23553456 is a wasteful number, since it uses less digits than its factorization.

23553456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490708 (or 490702 counting only the distinct ones).

The product of its digits is 54000, while the sum is 33.

The square root of 23553456 is about 4853.1902909323. The cubic root of 23553456 is about 286.6497363957.

Adding to 23553456 its reverse (65435532), we get a palindrome (88988988).

The spelling of 23553456 in words is "twenty-three million, five hundred fifty-three thousand, four hundred fifty-six".