923514989 has 2 divisors, whose sum is σ = 923514990. Its totient is φ = 923514988.

The previous prime is 923514971. The next prime is 923515003. The reversal of 923514989 is 989415329.

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., 678342025 + 245172964 = 26045^2 + 15658^2 .

It is a cyclic number.

It is not a de Polignac number, because 923514989 - 2¹⁶ = 923449453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (923514959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461757494 + 461757495.

It is an arithmetic number, because the mean of its divisors is an integer number (461757495).

Almost surely, 2^923514989 is an apocalyptic number.

It is an amenable number.

923514989 is a deficient number, since it is larger than the sum of its proper divisors (1).

923514989 is an equidigital number, since it uses as much as digits as its factorization.

923514989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 50.

The square root of 923514989 is about 30389.3894147283. The cubic root of 923514989 is about 973.8258894243.

The spelling of 923514989 in words is "nine hundred twenty-three million, five hundred fourteen thousand, nine hundred eighty-nine".