23011103 has 2 divisors, whose sum is σ = 23011104. Its totient is φ = 23011102.

The previous prime is 23011057. The next prime is 23011111. The reversal of 23011103 is 30111032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23011103 - 2¹⁸ = 22748959 is a prime.

It is a super-2 number, since 2×23011103² = 1059021722553218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23010103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11505551 + 11505552.

It is an arithmetic number, because the mean of its divisors is an integer number (11505552).

Almost surely, 2^23011103 is an apocalyptic number.

23011103 is a deficient number, since it is larger than the sum of its proper divisors (1).

23011103 is an equidigital number, since it uses as much as digits as its factorization.

23011103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 23011103 is about 4796.9889514153. The cubic root of 23011103 is about 284.4324521526.

Adding to 23011103 its reverse (30111032), we get a palindrome (53122135).

It can be divided in two parts, 2 and 3011103, that multiplied together give a palindrome (6022206).

The spelling of 23011103 in words is "twenty-three million, eleven thousand, one hundred three".