898989023 has 2 divisors, whose sum is σ = 898989024. Its totient is φ = 898989022.

The previous prime is 898989011. The next prime is 898989041. The reversal of 898989023 is 320989898.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 898989023 - 2⁸ = 898988767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 898989023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (898989073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449494511 + 449494512.

It is an arithmetic number, because the mean of its divisors is an integer number (449494512).

Almost surely, 2^898989023 is an apocalyptic number.

898989023 is a deficient number, since it is larger than the sum of its proper divisors (1).

898989023 is an equidigital number, since it uses as much as digits as its factorization.

898989023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 56.

The square root of 898989023 is about 29983.1456488475. The cubic root of 898989023 is about 965.1277352456.

The spelling of 898989023 in words is "eight hundred ninety-eight million, nine hundred eighty-nine thousand, twenty-three".