18234105 has 16 divisors (see below), whose sum is σ = 29261760. Its totient is φ = 9695808.

The previous prime is 18234103. The next prime is 18234113. The reversal of 18234105 is 50143281.

It is not a de Polignac number, because 18234105 - 2¹ = 18234103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18234103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3966 + ... + 7224.

It is an arithmetic number, because the mean of its divisors is an integer number (1828860).

Almost surely, 2^18234105 is an apocalyptic number.

18234105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18234105 is a deficient number, since it is larger than the sum of its proper divisors (11027655).

18234105 is a wasteful number, since it uses less digits than its factorization.

18234105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 18234105 is about 4270.1410983713. The cubic root of 18234105 is about 263.2054133103.

Adding to 18234105 its reverse (50143281), we get a palindrome (68377386).

The spelling of 18234105 in words is "eighteen million, two hundred thirty-four thousand, one hundred five".