23065019 has 2 divisors, whose sum is σ = 23065020. Its totient is φ = 23065018.

The previous prime is 23065013. The next prime is 23065087. The reversal of 23065019 is 91056032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23065019 - 2⁸ = 23064763 is a prime.

It is a super-2 number, since 2×23065019² = 1063990202940722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23065013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11532509 + 11532510.

It is an arithmetic number, because the mean of its divisors is an integer number (11532510).

Almost surely, 2^23065019 is an apocalyptic number.

23065019 is a deficient number, since it is larger than the sum of its proper divisors (1).

23065019 is an equidigital number, since it uses as much as digits as its factorization.

23065019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 23065019 is about 4802.6054387176. The cubic root of 23065019 is about 284.6544246854.

The spelling of 23065019 in words is "twenty-three million, sixty-five thousand, nineteen".