473523913 has 4 divisors (see below), whose sum is σ = 473580288. Its totient is φ = 473467540.

The previous prime is 473523893. The next prime is 473523943. The reversal of 473523913 is 319325374.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-473523913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (473523943) 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, 12781 + ... + 33322.

It is an arithmetic number, because the mean of its divisors is an integer number (118395072).

Almost surely, 2^473523913 is an apocalyptic number.

It is an amenable number.

473523913 is a deficient number, since it is larger than the sum of its proper divisors (56375).

473523913 is a wasteful number, since it uses less digits than its factorization.

473523913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56374.

The product of its digits is 68040, while the sum is 37.

The square root of 473523913 is about 21760.6046101665. The cubic root of 473523913 is about 779.4363191303.

The spelling of 473523913 in words is "four hundred seventy-three million, five hundred twenty-three thousand, nine hundred thirteen".