23283289 has 2 divisors, whose sum is σ = 23283290. Its totient is φ = 23283288.

The previous prime is 23283241. The next prime is 23283329. The reversal of 23283289 is 98238232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18421264 + 4862025 = 4292^2 + 2205^2 .

It is a cyclic number.

It is not a de Polignac number, because 23283289 - 2¹¹ = 23281241 is a prime.

It is a super-2 number, since 2×23283289² = 1084223093315042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23283209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11641644 + 11641645.

It is an arithmetic number, because the mean of its divisors is an integer number (11641645).

Almost surely, 2^23283289 is an apocalyptic number.

It is an amenable number.

23283289 is a deficient number, since it is larger than the sum of its proper divisors (1).

23283289 is an equidigital number, since it uses as much as digits as its factorization.

23283289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 37.

The square root of 23283289 is about 4825.2760542792. The cubic root of 23283289 is about 285.5495255671.

It can be divided in two parts, 232 and 83289, that added together give a 4-th power (83521 = 17⁴).

The spelling of 23283289 in words is "twenty-three million, two hundred eighty-three thousand, two hundred eighty-nine".