18354123 has 12 divisors (see below), whose sum is σ = 26661960. Its totient is φ = 12166656.

The previous prime is 18354103. The next prime is 18354131. The reversal of 18354123 is 32145381.

It is a happy number.

It is not a de Polignac number, because 18354123 - 2¹³ = 18345931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18354103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4086 + ... + 7307.

It is an arithmetic number, because the mean of its divisors is an integer number (2221830).

Almost surely, 2^18354123 is an apocalyptic number.

18354123 is a deficient number, since it is larger than the sum of its proper divisors (8307837).

18354123 is a wasteful number, since it uses less digits than its factorization.

18354123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11578 (or 11575 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 18354123 is about 4284.1712150660. The cubic root of 18354123 is about 263.7816289944.

The spelling of 18354123 in words is "eighteen million, three hundred fifty-four thousand, one hundred twenty-three".