23136203 has 2 divisors, whose sum is σ = 23136204. Its totient is φ = 23136202.

The previous prime is 23136187. The next prime is 23136221. The reversal of 23136203 is 30263132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23136203 - 2⁴ = 23136187 is a prime.

It is not a weakly prime, because it can be changed into another prime (23132203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11568101 + 11568102.

It is an arithmetic number, because the mean of its divisors is an integer number (11568102).

Almost surely, 2^23136203 is an apocalyptic number.

23136203 is a deficient number, since it is larger than the sum of its proper divisors (1).

23136203 is an equidigital number, since it uses as much as digits as its factorization.

23136203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 23136203 is about 4810.0107068488. The cubic root of 23136203 is about 284.9469604796.

Adding to 23136203 its reverse (30263132), we get a palindrome (53399335).

The spelling of 23136203 in words is "twenty-three million, one hundred thirty-six thousand, two hundred three".