23030389 has 2 divisors, whose sum is σ = 23030390. Its totient is φ = 23030388.

The previous prime is 23030387. The next prime is 23030407. The reversal of 23030389 is 98303032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21996100 + 1034289 = 4690^2 + 1017^2 .

It is a cyclic number.

It is not a de Polignac number, because 23030389 - 2¹ = 23030387 is a prime.

Together with 23030387, it forms a pair of twin primes.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23030387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515194 + 11515195.

It is an arithmetic number, because the mean of its divisors is an integer number (11515195).

Almost surely, 2^23030389 is an apocalyptic number.

It is an amenable number.

23030389 is a deficient number, since it is larger than the sum of its proper divisors (1).

23030389 is an equidigital number, since it uses as much as digits as its factorization.

23030389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 23030389 is about 4798.9987497394. The cubic root of 23030389 is about 284.5118925351.

The spelling of 23030389 in words is "twenty-three million, thirty thousand, three hundred eighty-nine".