18614923 has 2 divisors, whose sum is σ = 18614924. Its totient is φ = 18614922.

The previous prime is 18614909. The next prime is 18614941. The reversal of 18614923 is 32941681.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18614923 is a prime.

It is not a weakly prime, because it can be changed into another prime (18614963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9307461 + 9307462.

It is an arithmetic number, because the mean of its divisors is an integer number (9307462).

Almost surely, 2^18614923 is an apocalyptic number.

18614923 is a deficient number, since it is larger than the sum of its proper divisors (1).

18614923 is an equidigital number, since it uses as much as digits as its factorization.

18614923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 18614923 is about 4314.5014775754. The cubic root of 18614923 is about 265.0251453533.

The spelling of 18614923 in words is "eighteen million, six hundred fourteen thousand, nine hundred twenty-three".