89623243 has 2 divisors, whose sum is σ = 89623244. Its totient is φ = 89623242.

The previous prime is 89623241. The next prime is 89623271. The reversal of 89623243 is 34232698.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89623243 - 2¹ = 89623241 is a prime.

Together with 89623241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (89623241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44811621 + 44811622.

It is an arithmetic number, because the mean of its divisors is an integer number (44811622).

Almost surely, 2^89623243 is an apocalyptic number.

89623243 is a deficient number, since it is larger than the sum of its proper divisors (1).

89623243 is an equidigital number, since it uses as much as digits as its factorization.

89623243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The square root of 89623243 is about 9466.9553183693. The cubic root of 89623243 is about 447.5142664740.

The spelling of 89623243 in words is "eighty-nine million, six hundred twenty-three thousand, two hundred forty-three".