18423063 has 12 divisors (see below), whose sum is σ = 27260688. Its totient is φ = 11982240.

The previous prime is 18423061. The next prime is 18423073. The reversal of 18423063 is 36032481.

It is a happy number.

It is not a de Polignac number, because 18423063 - 2¹ = 18423061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18423061) 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, 24595 + ... + 25332.

It is an arithmetic number, because the mean of its divisors is an integer number (2271724).

Almost surely, 2^18423063 is an apocalyptic number.

18423063 is a deficient number, since it is larger than the sum of its proper divisors (8837625).

18423063 is a wasteful number, since it uses less digits than its factorization.

18423063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49974 (or 49971 counting only the distinct ones).

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

The square root of 18423063 is about 4292.2095708388. The cubic root of 18423063 is about 264.1114801222. Note that the first 3 decimals are identical.

The spelling of 18423063 in words is "eighteen million, four hundred twenty-three thousand, sixty-three".