23019065 has 4 divisors (see below), whose sum is σ = 27622884. Its totient is φ = 18415248.

The previous prime is 23019047. The next prime is 23019077. The reversal of 23019065 is 56091032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12313081 + 10705984 = 3509^2 + 3272^2 .

It is a cyclic number.

It is not a de Polignac number, because 23019065 - 2¹⁰ = 23018041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2301902 + ... + 2301911.

It is an arithmetic number, because the mean of its divisors is an integer number (6905721).

Almost surely, 2^23019065 is an apocalyptic number.

It is an amenable number.

23019065 is a deficient number, since it is larger than the sum of its proper divisors (4603819).

23019065 is an equidigital number, since it uses as much as digits as its factorization.

23019065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603818.

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

The square root of 23019065 is about 4797.8187752353. The cubic root of 23019065 is about 284.4652535650.

The spelling of 23019065 in words is "twenty-three million, nineteen thousand, sixty-five".