23163513 has 8 divisors (see below), whose sum is σ = 30912576. Its totient is φ = 15428400.

The previous prime is 23163499. The next prime is 23163521. The reversal of 23163513 is 31536132.

It is a happy number.

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

It is not a de Polignac number, because 23163513 - 2¹² = 23159417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23163523) 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 7 ways as a sum of consecutive naturals, for example, 1348 + ... + 6938.

It is an arithmetic number, because the mean of its divisors is an integer number (3864072).

Almost surely, 2^23163513 is an apocalyptic number.

It is an amenable number.

23163513 is a deficient number, since it is larger than the sum of its proper divisors (7749063).

23163513 is a wasteful number, since it uses less digits than its factorization.

23163513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6975.

The product of its digits is 1620, while the sum is 24.

The square root of 23163513 is about 4812.8487406109. The cubic root of 23163513 is about 285.0590336315.

Adding to 23163513 its reverse (31536132), we get a palindrome (54699645).

The spelling of 23163513 in words is "twenty-three million, one hundred sixty-three thousand, five hundred thirteen".