18234005 has 8 divisors (see below), whose sum is σ = 22026624. Its totient is φ = 14490000.

The previous prime is 18234001. The next prime is 18234017. The reversal of 18234005 is 50043281.

18234005 = T₄₁₄ + T₄₁₅ + ... + T₅₆₄.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18234005 - 2² = 18234001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18234001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11321 + ... + 12830.

It is an arithmetic number, because the mean of its divisors is an integer number (2753328).

Almost surely, 2^18234005 is an apocalyptic number.

It is an amenable number.

18234005 is a deficient number, since it is larger than the sum of its proper divisors (3792619).

18234005 is a wasteful number, since it uses less digits than its factorization.

18234005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24307.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 18234005 is about 4270.1293891403. The cubic root of 18234005 is about 263.2049321498.

Adding to 18234005 its reverse (50043281), we get a palindrome (68277286).

The spelling of 18234005 in words is "eighteen million, two hundred thirty-four thousand, five".