493123973 has 2 divisors, whose sum is σ = 493123974. Its totient is φ = 493123972.

The previous prime is 493123921. The next prime is 493123997. The reversal of 493123973 is 379321394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 334414369 + 158709604 = 18287^2 + 12598^2 .

It is a cyclic number.

It is not a de Polignac number, because 493123973 - 2²⁴ = 476346757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 493123973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493123903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246561986 + 246561987.

It is an arithmetic number, because the mean of its divisors is an integer number (246561987).

Almost surely, 2^493123973 is an apocalyptic number.

It is an amenable number.

493123973 is a deficient number, since it is larger than the sum of its proper divisors (1).

493123973 is an equidigital number, since it uses as much as digits as its factorization.

493123973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 41.

The square root of 493123973 is about 22206.3948672449. The cubic root of 493123973 is about 790.0453816797.

The spelling of 493123973 in words is "four hundred ninety-three million, one hundred twenty-three thousand, nine hundred seventy-three".