18234071 has 2 divisors, whose sum is σ = 18234072. Its totient is φ = 18234070.

The previous prime is 18234043. The next prime is 18234077. The reversal of 18234071 is 17043281.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18234071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18234071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18234077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9117035 + 9117036.

It is an arithmetic number, because the mean of its divisors is an integer number (9117036).

Almost surely, 2^18234071 is an apocalyptic number.

18234071 is a deficient number, since it is larger than the sum of its proper divisors (1).

18234071 is an equidigital number, since it uses as much as digits as its factorization.

18234071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 18234071 is about 4270.1371172364. The cubic root of 18234071 is about 263.2052497159.

The spelling of 18234071 in words is "eighteen million, two hundred thirty-four thousand, seventy-one".