23029789 has 2 divisors, whose sum is σ = 23029790. Its totient is φ = 23029788.

The previous prime is 23029759. The next prime is 23029793. The reversal of 23029789 is 98792032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13264164 + 9765625 = 3642^2 + 3125^2 .

It is a cyclic number.

It is not a de Polignac number, because 23029789 - 2¹⁵ = 22997021 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23029759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11514894 + 11514895.

It is an arithmetic number, because the mean of its divisors is an integer number (11514895).

Almost surely, 2^23029789 is an apocalyptic number.

It is an amenable number.

23029789 is a deficient number, since it is larger than the sum of its proper divisors (1).

23029789 is an equidigital number, since it uses as much as digits as its factorization.

23029789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 23029789 is about 4798.9362362924. The cubic root of 23029789 is about 284.5094217617.

The spelling of 23029789 in words is "twenty-three million, twenty-nine thousand, seven hundred eighty-nine".