23030789 has 2 divisors, whose sum is σ = 23030790. Its totient is φ = 23030788.

The previous prime is 23030783. The next prime is 23030809. The reversal of 23030789 is 98703032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19070689 + 3960100 = 4367^2 + 1990^2 .

It is a cyclic number.

It is not a de Polignac number, because 23030789 - 2⁴ = 23030773 is a prime.

It is a Sophie Germain prime.

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

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23030783) 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, 11515394 + 11515395.

It is an arithmetic number, because the mean of its divisors is an integer number (11515395).

Almost surely, 2^23030789 is an apocalyptic number.

It is an amenable number.

23030789 is a deficient number, since it is larger than the sum of its proper divisors (1).

23030789 is an equidigital number, since it uses as much as digits as its factorization.

23030789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 23030789 is about 4799.0404249183. The cubic root of 23030789 is about 284.5135396935.

The spelling of 23030789 in words is "twenty-three million, thirty thousand, seven hundred eighty-nine".