23430569 has 2 divisors, whose sum is σ = 23430570. Its totient is φ = 23430568.

The previous prime is 23430559. The next prime is 23430587. The reversal of 23430569 is 96503432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22848400 + 582169 = 4780^2 + 763^2 .

It is a cyclic number.

It is not a de Polignac number, because 23430569 - 2²⁰ = 22381993 is a prime.

It is a super-2 number, since 2×23430569² = 1097983127327522, which contains 22 as substring.

It is a Chen prime.

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

It is not a weakly prime, because it can be changed into another prime (23430559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11715284 + 11715285.

It is an arithmetic number, because the mean of its divisors is an integer number (11715285).

Almost surely, 2^23430569 is an apocalyptic number.

It is an amenable number.

23430569 is a deficient number, since it is larger than the sum of its proper divisors (1).

23430569 is an equidigital number, since it uses as much as digits as its factorization.

23430569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 23430569 is about 4840.5132992277. The cubic root of 23430569 is about 286.1503480281.

It can be divided in two parts, 234 and 30569, that added together give a palindrome (30803).

The spelling of 23430569 in words is "twenty-three million, four hundred thirty thousand, five hundred sixty-nine".