989650423 has 2 divisors, whose sum is σ = 989650424. Its totient is φ = 989650422.

The previous prime is 989650399. The next prime is 989650447. The reversal of 989650423 is 324056989.

It is a balanced prime because it is at equal distance from previous prime (989650399) and next prime (989650447).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-989650423 is a prime.

It is a congruent number.

It is a weakly prime.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494825211 + 494825212.

It is an arithmetic number, because the mean of its divisors is an integer number (494825212).

Almost surely, 2^989650423 is an apocalyptic number.

989650423 is a deficient number, since it is larger than the sum of its proper divisors (1).

989650423 is an equidigital number, since it uses as much as digits as its factorization.

989650423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 989650423 is about 31458.7098114338. The cubic root of 989650423 is about 996.5381705661.

The spelling of 989650423 in words is "nine hundred eighty-nine million, six hundred fifty thousand, four hundred twenty-three".