489237923 has 2 divisors, whose sum is σ = 489237924. Its totient is φ = 489237922.

The previous prime is 489237911. The next prime is 489237929. The reversal of 489237923 is 329732984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489237923 - 2¹⁸ = 488975779 is a prime.

It is not a weakly prime, because it can be changed into another prime (489237929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244618961 + 244618962.

It is an arithmetic number, because the mean of its divisors is an integer number (244618962).

Almost surely, 2^489237923 is an apocalyptic number.

489237923 is a deficient number, since it is larger than the sum of its proper divisors (1).

489237923 is an equidigital number, since it uses as much as digits as its factorization.

489237923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The square root of 489237923 is about 22118.7233582773. The cubic root of 489237923 is about 787.9645958610.

The spelling of 489237923 in words is "four hundred eighty-nine million, two hundred thirty-seven thousand, nine hundred twenty-three".