18160423 has 2 divisors, whose sum is σ = 18160424. Its totient is φ = 18160422.

The previous prime is 18160421. The next prime is 18160427. The reversal of 18160423 is 32406181.

It is a weak prime.

It is an emirp because it is prime and its reverse (32406181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18160423 - 2¹ = 18160421 is a prime.

Together with 18160421, it forms a pair of twin primes.

It is equal to p_1160881 and since 18160423 and 1160881 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18160421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9080211 + 9080212.

It is an arithmetic number, because the mean of its divisors is an integer number (9080212).

Almost surely, 2^18160423 is an apocalyptic number.

18160423 is a deficient number, since it is larger than the sum of its proper divisors (1).

18160423 is an equidigital number, since it uses as much as digits as its factorization.

18160423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 18160423 is about 4261.5047811777. The cubic root of 18160423 is about 262.8504067187.

The spelling of 18160423 in words is "eighteen million, one hundred sixty thousand, four hundred twenty-three".