473321121503 has 2 divisors, whose sum is σ = 473321121504. Its totient is φ = 473321121502.

The previous prime is 473321121431. The next prime is 473321121523. The reversal of 473321121503 is 305121123374.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 473321121503 - 2²⁴ = 473304344287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 473321121503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473321121523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236660560751 + 236660560752.

It is an arithmetic number, because the mean of its divisors is an integer number (236660560752).

Almost surely, 2^473321121503 is an apocalyptic number.

473321121503 is a deficient number, since it is larger than the sum of its proper divisors (1).

473321121503 is an equidigital number, since it uses as much as digits as its factorization.

473321121503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 473321121503 its reverse (305121123374), we get a palindrome (778442244877).

The spelling of 473321121503 in words is "four hundred seventy-three billion, three hundred twenty-one million, one hundred twenty-one thousand, five hundred three".