18348103 has 2 divisors, whose sum is σ = 18348104. Its totient is φ = 18348102.

The previous prime is 18348061. The next prime is 18348107. The reversal of 18348103 is 30184381.

It is a strong prime.

It is an emirp because it is prime and its reverse (30184381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18348103 - 2¹³ = 18339911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18348107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9174051 + 9174052.

It is an arithmetic number, because the mean of its divisors is an integer number (9174052).

Almost surely, 2^18348103 is an apocalyptic number.

18348103 is a deficient number, since it is larger than the sum of its proper divisors (1).

18348103 is an equidigital number, since it uses as much as digits as its factorization.

18348103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 18348103 is about 4283.4685711465. The cubic root of 18348103 is about 263.7527864459.

The spelling of 18348103 in words is "eighteen million, three hundred forty-eight thousand, one hundred three".