18114403 has 2 divisors, whose sum is σ = 18114404. Its totient is φ = 18114402.

The previous prime is 18114361. The next prime is 18114407. The reversal of 18114403 is 30441181.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18114403 - 2¹³ = 18106211 is a prime.

It is equal to p_1158133 and since 18114403 and 1158133 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (18114407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9057201 + 9057202.

It is an arithmetic number, because the mean of its divisors is an integer number (9057202).

Almost surely, 2^18114403 is an apocalyptic number.

18114403 is a deficient number, since it is larger than the sum of its proper divisors (1).

18114403 is an equidigital number, since it uses as much as digits as its factorization.

18114403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 18114403 is about 4256.1018549842. The cubic root of 18114403 is about 262.6281907520.

Adding to 18114403 its reverse (30441181), we get a palindrome (48555584).

The spelling of 18114403 in words is "eighteen million, one hundred fourteen thousand, four hundred three".