23215355 has 8 divisors (see below), whose sum is σ = 28134864. Its totient is φ = 18388000.

The previous prime is 23215351. The next prime is 23215393. The reversal of 23215355 is 55351232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23215355 - 2² = 23215351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23215351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22481 + ... + 23490.

It is an arithmetic number, because the mean of its divisors is an integer number (3516858).

Almost surely, 2^23215355 is an apocalyptic number.

23215355 is a deficient number, since it is larger than the sum of its proper divisors (4919509).

23215355 is a wasteful number, since it uses less digits than its factorization.

23215355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46077.

The product of its digits is 4500, while the sum is 26.

The square root of 23215355 is about 4818.2315220421. The cubic root of 23215355 is about 285.2715376568.

Adding to 23215355 its reverse (55351232), we get a palindrome (78566587).

The spelling of 23215355 in words is "twenty-three million, two hundred fifteen thousand, three hundred fifty-five".