289232423 has 2 divisors, whose sum is σ = 289232424. Its totient is φ = 289232422.

The previous prime is 289232413. The next prime is 289232513. The reversal of 289232423 is 324232982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 289232423 - 2²⁴ = 272455207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289232413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144616211 + 144616212.

It is an arithmetic number, because the mean of its divisors is an integer number (144616212).

Almost surely, 2^289232423 is an apocalyptic number.

289232423 is a deficient number, since it is larger than the sum of its proper divisors (1).

289232423 is an equidigital number, since it uses as much as digits as its factorization.

289232423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

The square root of 289232423 is about 17006.8345967143. The cubic root of 289232423 is about 661.3260933512.

The spelling of 289232423 in words is "two hundred eighty-nine million, two hundred thirty-two thousand, four hundred twenty-three".