23116237 has 4 divisors (see below), whose sum is σ = 23376060. Its totient is φ = 22856416.

The previous prime is 23116213. The next prime is 23116267. The reversal of 23116237 is 73261132.

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 13060996 + 10055241 = 3614^2 + 3171^2 .

It is a cyclic number.

It is not a de Polignac number, because 23116237 - 2¹⁵ = 23083469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23116207) 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 3 ways as a sum of consecutive naturals, for example, 129778 + ... + 129955.

It is an arithmetic number, because the mean of its divisors is an integer number (5844015).

Almost surely, 2^23116237 is an apocalyptic number.

It is an amenable number.

23116237 is a deficient number, since it is larger than the sum of its proper divisors (259823).

23116237 is an equidigital number, since it uses as much as digits as its factorization.

23116237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259822.

The product of its digits is 1512, while the sum is 25.

The square root of 23116237 is about 4807.9347957309. The cubic root of 23116237 is about 284.8649693773.

Adding to 23116237 its reverse (73261132), we get a palindrome (96377369).

The spelling of 23116237 in words is "twenty-three million, one hundred sixteen thousand, two hundred thirty-seven".