23270615 has 24 divisors (see below), whose sum is σ = 30028320. Its totient is φ = 17290560.

The previous prime is 23270609. The next prime is 23270617. The reversal of 23270615 is 51607232.

It is a de Polignac number, because none of the positive numbers 2^k-23270615 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23270617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139262 + ... + 139428.

It is an arithmetic number, because the mean of its divisors is an integer number (1251180).

Almost surely, 2^23270615 is an apocalyptic number.

23270615 is a deficient number, since it is larger than the sum of its proper divisors (6757705).

23270615 is a wasteful number, since it uses less digits than its factorization.

23270615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 23270615 is about 4823.9625827736. The cubic root of 23270615 is about 285.4977042580.

Adding to 23270615 its reverse (51607232), we get a palindrome (74877847).

The spelling of 23270615 in words is "twenty-three million, two hundred seventy thousand, six hundred fifteen".