23136837 has 8 divisors (see below), whose sum is σ = 30881760. Its totient is φ = 15408240.

The previous prime is 23136829. The next prime is 23136853. The reversal of 23136837 is 73863132.

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

It is not a de Polignac number, because 23136837 - 2³ = 23136829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23136798 and 23136807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23136857) 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, 262 + ... + 6807.

It is an arithmetic number, because the mean of its divisors is an integer number (3860220).

Almost surely, 2^23136837 is an apocalyptic number.

It is an amenable number.

23136837 is a deficient number, since it is larger than the sum of its proper divisors (7744923).

23136837 is a wasteful number, since it uses less digits than its factorization.

23136837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8163.

The product of its digits is 18144, while the sum is 33.

The square root of 23136837 is about 4810.0766106165. The cubic root of 23136837 is about 284.9495632507.

Adding to 23136837 its reverse (73863132), we get a palindrome (96999969).

The spelling of 23136837 in words is "twenty-three million, one hundred thirty-six thousand, eight hundred thirty-seven".