23117803 has 2 divisors, whose sum is σ = 23117804. Its totient is φ = 23117802.

The previous prime is 23117771. The next prime is 23117819. The reversal of 23117803 is 30871132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23117803 - 2⁵ = 23117771 is a prime.

It is not a weakly prime, because it can be changed into another prime (23117833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11558901 + 11558902.

It is an arithmetic number, because the mean of its divisors is an integer number (11558902).

Almost surely, 2^23117803 is an apocalyptic number.

23117803 is a deficient number, since it is larger than the sum of its proper divisors (1).

23117803 is an equidigital number, since it uses as much as digits as its factorization.

23117803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 23117803 is about 4808.0976487588. The cubic root of 23117803 is about 284.8714019189.

Adding to 23117803 its reverse (30871132), we get a palindrome (53988935).

The spelling of 23117803 in words is "twenty-three million, one hundred seventeen thousand, eight hundred three".