18234611 has 2 divisors, whose sum is σ = 18234612. Its totient is φ = 18234610.

The previous prime is 18234589. The next prime is 18234613. The reversal of 18234611 is 11643281.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18234611 - 2²² = 14040307 is a prime.

Together with 18234613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18234613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9117305 + 9117306.

It is an arithmetic number, because the mean of its divisors is an integer number (9117306).

Almost surely, 2^18234611 is an apocalyptic number.

18234611 is a deficient number, since it is larger than the sum of its proper divisors (1).

18234611 is an equidigital number, since it uses as much as digits as its factorization.

18234611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 26.

The square root of 18234611 is about 4270.2003465880. The cubic root of 18234611 is about 263.2078479551.

Adding to 18234611 its reverse (11643281), we get a palindrome (29877892).

The spelling of 18234611 in words is "eighteen million, two hundred thirty-four thousand, six hundred eleven".