475775423 has 2 divisors, whose sum is σ = 475775424. Its totient is φ = 475775422.

The previous prime is 475775387. The next prime is 475775441. The reversal of 475775423 is 324577574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 475775423 - 2²² = 471581119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475775453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237887711 + 237887712.

It is an arithmetic number, because the mean of its divisors is an integer number (237887712).

Almost surely, 2^475775423 is an apocalyptic number.

475775423 is a deficient number, since it is larger than the sum of its proper divisors (1).

475775423 is an equidigital number, since it uses as much as digits as its factorization.

475775423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 823200, while the sum is 44.

The square root of 475775423 is about 21812.2768871111. The cubic root of 475775423 is about 780.6697201134.

The spelling of 475775423 in words is "four hundred seventy-five million, seven hundred seventy-five thousand, four hundred twenty-three".