481664123 has 2 divisors, whose sum is σ = 481664124. Its totient is φ = 481664122.

The previous prime is 481664093. The next prime is 481664171. The reversal of 481664123 is 321466184.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 481664123 - 2⁶ = 481664059 is a prime.

It is not a weakly prime, because it can be changed into another prime (481684123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240832061 + 240832062.

It is an arithmetic number, because the mean of its divisors is an integer number (240832062).

Almost surely, 2^481664123 is an apocalyptic number.

481664123 is a deficient number, since it is larger than the sum of its proper divisors (1).

481664123 is an equidigital number, since it uses as much as digits as its factorization.

481664123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The square root of 481664123 is about 21946.8476779696. The cubic root of 481664123 is about 783.8773208667.

The spelling of 481664123 in words is "four hundred eighty-one million, six hundred sixty-four thousand, one hundred twenty-three".