23325555 has 32 divisors (see below), whose sum is σ = 40930560. Its totient is φ = 11249280.

The previous prime is 23325551. The next prime is 23325563. The reversal of 23325555 is 55552332.

It is not a de Polignac number, because 23325555 - 2² = 23325551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23325551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61356 + ... + 61734.

It is an arithmetic number, because the mean of its divisors is an integer number (1279080).

Almost surely, 2^23325555 is an apocalyptic number.

23325555 is a deficient number, since it is larger than the sum of its proper divisors (17605005).

23325555 is a wasteful number, since it uses less digits than its factorization.

23325555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771.

The product of its digits is 22500, while the sum is 30.

The square root of 23325555 is about 4829.6537142946. The cubic root of 23325555 is about 285.7222065066.

Adding to 23325555 its reverse (55552332), we get a palindrome (78877887).

It can be divided in two parts, 2332 and 5555, that added together give a palindrome (7887).

The spelling of 23325555 in words is "twenty-three million, three hundred twenty-five thousand, five hundred fifty-five".