18234383 has 2 divisors, whose sum is σ = 18234384. Its totient is φ = 18234382.

The previous prime is 18234379. The next prime is 18234427. The reversal of 18234383 is 38343281.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18234383 - 2² = 18234379 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18234313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9117191 + 9117192.

It is an arithmetic number, because the mean of its divisors is an integer number (9117192).

Almost surely, 2^18234383 is an apocalyptic number.

18234383 is a deficient number, since it is larger than the sum of its proper divisors (1).

18234383 is an equidigital number, since it uses as much as digits as its factorization.

18234383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The square root of 18234383 is about 4270.1736498648. The cubic root of 18234383 is about 263.2067509270.

The spelling of 18234383 in words is "eighteen million, two hundred thirty-four thousand, three hundred eighty-three".