23340019 has 2 divisors, whose sum is σ = 23340020. Its totient is φ = 23340018.

The previous prime is 23340011. The next prime is 23340047. The reversal of 23340019 is 91004332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23340019 - 2³ = 23340011 is a prime.

It is a super-2 number, since 2×23340019² = 1089512973840722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23340011) 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, 11670009 + 11670010.

It is an arithmetic number, because the mean of its divisors is an integer number (11670010).

Almost surely, 2^23340019 is an apocalyptic number.

23340019 is a deficient number, since it is larger than the sum of its proper divisors (1).

23340019 is an equidigital number, since it uses as much as digits as its factorization.

23340019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 23340019 is about 4831.1508980780. The cubic root of 23340019 is about 285.7812523624.

The spelling of 23340019 in words is "twenty-three million, three hundred forty thousand, nineteen".