478919983123 has 2 divisors, whose sum is σ = 478919983124. Its totient is φ = 478919983122.

The previous prime is 478919983079. The next prime is 478919983147. The reversal of 478919983123 is 321389919874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478919983123 - 2¹³ = 478919974931 is a prime.

It is not a weakly prime, because it can be changed into another prime (478919983193) 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, 239459991561 + 239459991562.

It is an arithmetic number, because the mean of its divisors is an integer number (239459991562).

Almost surely, 2^478919983123 is an apocalyptic number.

478919983123 is a deficient number, since it is larger than the sum of its proper divisors (1).

478919983123 is an equidigital number, since it uses as much as digits as its factorization.

478919983123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23514624, while the sum is 64.

The spelling of 478919983123 in words is "four hundred seventy-eight billion, nine hundred nineteen million, nine hundred eighty-three thousand, one hundred twenty-three".