23345553 has 16 divisors (see below), whose sum is σ = 38808576. Its totient is φ = 12127440.

The previous prime is 23345513. The next prime is 23345563. The reversal of 23345553 is 35554332.

It is not a de Polignac number, because 23345553 - 2¹³ = 23337361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23345553.

It is not an unprimeable number, because it can be changed into a prime (23345503) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 50301 + ... + 50762.

It is an arithmetic number, because the mean of its divisors is an integer number (2425536).

Almost surely, 2^23345553 is an apocalyptic number.

It is an amenable number.

23345553 is a deficient number, since it is larger than the sum of its proper divisors (15463023).

23345553 is a wasteful number, since it uses less digits than its factorization.

23345553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101084.

The product of its digits is 27000, while the sum is 30.

The square root of 23345553 is about 4831.7236055056. The cubic root of 23345553 is about 285.8038371551.

Adding to 23345553 its reverse (35554332), we get a palindrome (58899885).

It can be divided in two parts, 2334 and 5553, that added together give a palindrome (7887).

The spelling of 23345553 in words is "twenty-three million, three hundred forty-five thousand, five hundred fifty-three".