18132623 has 2 divisors, whose sum is σ = 18132624. Its totient is φ = 18132622.

The previous prime is 18132617. The next prime is 18132629. The reversal of 18132623 is 32623181.

It is a balanced prime because it is at equal distance from previous prime (18132617) and next prime (18132629).

It is an emirp because it is prime and its reverse (32623181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18132623 - 2⁶ = 18132559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18132592 and 18132601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18132629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9066311 + 9066312.

It is an arithmetic number, because the mean of its divisors is an integer number (9066312).

Almost surely, 2^18132623 is an apocalyptic number.

18132623 is a deficient number, since it is larger than the sum of its proper divisors (1).

18132623 is an equidigital number, since it uses as much as digits as its factorization.

18132623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 18132623 is about 4258.2417733144. The cubic root of 18132623 is about 262.7162143025.

The spelling of 18132623 in words is "eighteen million, one hundred thirty-two thousand, six hundred twenty-three".