23271355 has 4 divisors (see below), whose sum is σ = 27925632. Its totient is φ = 18617080.

The previous prime is 23271349. The next prime is 23271379. The reversal of 23271355 is 55317232.

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

It is not a de Polignac number, because 23271355 - 2¹⁷ = 23140283 is a prime.

It is a Duffinian number.

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, 2327131 + ... + 2327140.

It is an arithmetic number, because the mean of its divisors is an integer number (6981408).

Almost surely, 2^23271355 is an apocalyptic number.

23271355 is a deficient number, since it is larger than the sum of its proper divisors (4654277).

23271355 is an equidigital number, since it uses as much as digits as its factorization.

23271355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4654276.

The product of its digits is 6300, while the sum is 28.

The square root of 23271355 is about 4824.0392825930. The cubic root of 23271355 is about 285.5007304789.

Adding to 23271355 its reverse (55317232), we get a palindrome (78588587).

The spelling of 23271355 in words is "twenty-three million, two hundred seventy-one thousand, three hundred fifty-five".