23050309 has 2 divisors, whose sum is σ = 23050310. Its totient is φ = 23050308.

The previous prime is 23050303. The next prime is 23050327. The reversal of 23050309 is 90305032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12180100 + 10870209 = 3490^2 + 3297^2 .

It is a cyclic number.

It is not a de Polignac number, because 23050309 - 2¹¹ = 23048261 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 23050309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23050303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11525154 + 11525155.

It is an arithmetic number, because the mean of its divisors is an integer number (11525155).

Almost surely, 2^23050309 is an apocalyptic number.

It is an amenable number.

23050309 is a deficient number, since it is larger than the sum of its proper divisors (1).

23050309 is an equidigital number, since it uses as much as digits as its factorization.

23050309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 23050309 is about 4801.0737340724. The cubic root of 23050309 is about 284.5938978610.

The spelling of 23050309 in words is "twenty-three million, fifty thousand, three hundred nine".