23163113 has 4 divisors (see below), whose sum is σ = 23291268. Its totient is φ = 23034960.

The previous prime is 23163097. The next prime is 23163131. The reversal of 23163113 is 31136132.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9048064 + 14115049 = 3008^2 + 3757^2 .

It is a cyclic number.

It is not a de Polignac number, because 23163113 - 2⁴ = 23163097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23163193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63806 + ... + 64167.

It is an arithmetic number, because the mean of its divisors is an integer number (5822817).

Almost surely, 2^23163113 is an apocalyptic number.

It is an amenable number.

23163113 is a deficient number, since it is larger than the sum of its proper divisors (128155).

23163113 is a wasteful number, since it uses less digits than its factorization.

23163113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128154.

The product of its digits is 324, while the sum is 20.

The square root of 23163113 is about 4812.8071850013. The cubic root of 23163113 is about 285.0573927711.

Adding to 23163113 its reverse (31136132), we get a palindrome (54299245).

The spelling of 23163113 in words is "twenty-three million, one hundred sixty-three thousand, one hundred thirteen".