18153103 has 2 divisors, whose sum is σ = 18153104. Its totient is φ = 18153102.

The previous prime is 18153097. The next prime is 18153133. The reversal of 18153103 is 30135181.

It is a weak prime.

It is an emirp because it is prime and its reverse (30135181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18153103 - 2⁵ = 18153071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18153133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9076551 + 9076552.

It is an arithmetic number, because the mean of its divisors is an integer number (9076552).

Almost surely, 2^18153103 is an apocalyptic number.

18153103 is a deficient number, since it is larger than the sum of its proper divisors (1).

18153103 is an equidigital number, since it uses as much as digits as its factorization.

18153103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 18153103 is about 4260.6458430618. The cubic root of 18153103 is about 262.8150858904.

Adding to 18153103 its reverse (30135181), we get a palindrome (48288284).

The spelling of 18153103 in words is "eighteen million, one hundred fifty-three thousand, one hundred three".