23136223 has 8 divisors (see below), whose sum is σ = 25324416. Its totient is φ = 20962200.

The previous prime is 23136221. The next prime is 23136247. The reversal of 23136223 is 32263132.

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

It is a cyclic number.

It is not a de Polignac number, because 23136223 - 2¹ = 23136221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23136194 and 23136203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23136221) 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, 40 + ... + 6802.

It is an arithmetic number, because the mean of its divisors is an integer number (3165552).

Almost surely, 2^23136223 is an apocalyptic number.

23136223 is a deficient number, since it is larger than the sum of its proper divisors (2188193).

23136223 is a wasteful number, since it uses less digits than its factorization.

23136223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7085.

The product of its digits is 1296, while the sum is 22.

The square root of 23136223 is about 4810.0127858458. The cubic root of 23136223 is about 284.9470425867.

Adding to 23136223 its reverse (32263132), we get a palindrome (55399355).

The spelling of 23136223 in words is "twenty-three million, one hundred thirty-six thousand, two hundred twenty-three".