478570123 has 2 divisors, whose sum is σ = 478570124. Its totient is φ = 478570122.

The previous prime is 478570087. The next prime is 478570129. The reversal of 478570123 is 321075874.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478570123 is a prime.

It is not a weakly prime, because it can be changed into another prime (478570129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239285061 + 239285062.

It is an arithmetic number, because the mean of its divisors is an integer number (239285062).

Almost surely, 2^478570123 is an apocalyptic number.

478570123 is a deficient number, since it is larger than the sum of its proper divisors (1).

478570123 is an equidigital number, since it uses as much as digits as its factorization.

478570123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 478570123 is about 21876.2456331062. The cubic root of 478570123 is about 782.1952856167.

The spelling of 478570123 in words is "four hundred seventy-eight million, five hundred seventy thousand, one hundred twenty-three".