672288423 has 8 divisors (see below), whose sum is σ = 915456768. Its totient is φ = 438656184.

The previous prime is 672288371. The next prime is 672288431. The reversal of 672288423 is 324882276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 672288423 - 2⁸ = 672288167 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672288523) 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 in 7 ways as a sum of consecutive naturals, for example, 2383861 + ... + 2384142.

It is an arithmetic number, because the mean of its divisors is an integer number (114432096).

Almost surely, 2^672288423 is an apocalyptic number.

672288423 is a deficient number, since it is larger than the sum of its proper divisors (243168345).

672288423 is a wasteful number, since it uses less digits than its factorization.

672288423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4768053.

The product of its digits is 258048, while the sum is 42.

The square root of 672288423 is about 25928.5252762281. The cubic root of 672288423 is about 876.0291229554.

The spelling of 672288423 in words is "six hundred seventy-two million, two hundred eighty-eight thousand, four hundred twenty-three".