475145123 has 2 divisors, whose sum is σ = 475145124. Its totient is φ = 475145122.

The previous prime is 475145117. The next prime is 475145131. The reversal of 475145123 is 321541574.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 475145123 - 2¹⁴ = 475128739 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 475145123.

It is not a weakly prime, because it can be changed into another prime (475145183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237572561 + 237572562.

It is an arithmetic number, because the mean of its divisors is an integer number (237572562).

Almost surely, 2^475145123 is an apocalyptic number.

475145123 is a deficient number, since it is larger than the sum of its proper divisors (1).

475145123 is an equidigital number, since it uses as much as digits as its factorization.

475145123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 32.

The square root of 475145123 is about 21797.8238133994. The cubic root of 475145123 is about 780.3248279995.

Adding to 475145123 its reverse (321541574), we get a palindrome (796686697).

The spelling of 475145123 in words is "four hundred seventy-five million, one hundred forty-five thousand, one hundred twenty-three".