423472673 has 4 divisors (see below), whose sum is σ = 456047508. Its totient is φ = 390897840.

The previous prime is 423472667. The next prime is 423472681. The reversal of 423472673 is 376274324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 138133009 + 285339664 = 11753^2 + 16892^2 .

It is a cyclic number.

It is not a de Polignac number, because 423472673 - 2⁴ = 423472657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423472603) 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, 16287398 + ... + 16287423.

It is an arithmetic number, because the mean of its divisors is an integer number (114011877).

Almost surely, 2^423472673 is an apocalyptic number.

It is an amenable number.

423472673 is a deficient number, since it is larger than the sum of its proper divisors (32574835).

423472673 is a wasteful number, since it uses less digits than its factorization.

423472673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32574834.

The product of its digits is 169344, while the sum is 38.

The square root of 423472673 is about 20578.4516667314. The cubic root of 423472673 is about 750.9455765309.

The spelling of 423472673 in words is "four hundred twenty-three million, four hundred seventy-two thousand, six hundred seventy-three".