23345555 has 4 divisors (see below), whose sum is σ = 28014672. Its totient is φ = 18676440.

The previous prime is 23345513. The next prime is 23345563. The reversal of 23345555 is 55554332.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23345555 - 2¹⁴ = 23329171 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2334551 + ... + 2334560.

It is an arithmetic number, because the mean of its divisors is an integer number (7003668).

Almost surely, 2^23345555 is an apocalyptic number.

23345555 is a deficient number, since it is larger than the sum of its proper divisors (4669117).

23345555 is an equidigital number, since it uses as much as digits as its factorization.

23345555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669116.

The product of its digits is 45000, while the sum is 32.

The square root of 23345555 is about 4831.7238124711. The cubic root of 23345555 is about 285.8038453167.

Adding to 23345555 its reverse (55554332), we get a palindrome (78899887).

The spelling of 23345555 in words is "twenty-three million, three hundred forty-five thousand, five hundred fifty-five".