478560023 has 2 divisors, whose sum is σ = 478560024. Its totient is φ = 478560022.

The previous prime is 478559999. The next prime is 478560037. The reversal of 478560023 is 320065874.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478560023 is a prime.

It is a super-2 number, since 2×478560023² = 458039391227521058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478568023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239280011 + 239280012.

It is an arithmetic number, because the mean of its divisors is an integer number (239280012).

Almost surely, 2^478560023 is an apocalyptic number.

478560023 is a deficient number, since it is larger than the sum of its proper divisors (1).

478560023 is an equidigital number, since it uses as much as digits as its factorization.

478560023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 478560023 is about 21876.0147878904. The cubic root of 478560023 is about 782.1897829553.

The spelling of 478560023 in words is "four hundred seventy-eight million, five hundred sixty thousand, twenty-three".