475444723 has 4 divisors (see below), whose sum is σ = 512017408. Its totient is φ = 438872040.

The previous prime is 475444699. The next prime is 475444727. The reversal of 475444723 is 327444574.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327444574 = 2 ⋅163722287.

It is a cyclic number.

It is not a de Polignac number, because 475444723 - 2⁵ = 475444691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475444727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18286323 + ... + 18286348.

It is an arithmetic number, because the mean of its divisors is an integer number (128004352).

Almost surely, 2^475444723 is an apocalyptic number.

475444723 is a deficient number, since it is larger than the sum of its proper divisors (36572685).

475444723 is a wasteful number, since it uses less digits than its factorization.

475444723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36572684.

The product of its digits is 376320, while the sum is 40.

The square root of 475444723 is about 21804.6949760826. The cubic root of 475444723 is about 780.4888033038.

The spelling of 475444723 in words is "four hundred seventy-five million, four hundred forty-four thousand, seven hundred twenty-three".