18034263 has 24 divisors (see below), whose sum is σ = 29706768. Its totient is φ = 10444032.

The previous prime is 18034253. The next prime is 18034267. The reversal of 18034263 is 36243081.

It is a happy number.

It is not a de Polignac number, because 18034263 - 2⁸ = 18034007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18034267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2545 + ... + 6522.

It is an arithmetic number, because the mean of its divisors is an integer number (1237782).

Almost surely, 2^18034263 is an apocalyptic number.

18034263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18034263 is a deficient number, since it is larger than the sum of its proper divisors (11672505).

18034263 is a wasteful number, since it uses less digits than its factorization.

18034263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9103 (or 9100 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 18034263 is about 4246.6767006684. The cubic root of 18034263 is about 262.2403200653.

It can be divided in two parts, 180 and 34263, that added together give a palindrome (34443).

The spelling of 18034263 in words is "eighteen million, thirty-four thousand, two hundred sixty-three".