23031103 has 2 divisors, whose sum is σ = 23031104. Its totient is φ = 23031102.

The previous prime is 23031091. The next prime is 23031121. The reversal of 23031103 is 30113032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23031103 - 2¹³ = 23022911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23031163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515551 + 11515552.

It is an arithmetic number, because the mean of its divisors is an integer number (11515552).

Almost surely, 2^23031103 is an apocalyptic number.

23031103 is a deficient number, since it is larger than the sum of its proper divisors (1).

23031103 is an equidigital number, since it uses as much as digits as its factorization.

23031103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 23031103 is about 4799.0731396802. The cubic root of 23031103 is about 284.5148326995.

Adding to 23031103 its reverse (30113032), we get a palindrome (53144135).

The spelling of 23031103 in words is "twenty-three million, thirty-one thousand, one hundred three".