472444623 has 48 divisors (see below), whose sum is σ = 822332160. Its totient is φ = 267270192.

The previous prime is 472444607. The next prime is 472444639. The reversal of 472444623 is 326444274.

472444623 is a `hidden beast` number, since 4 + 7 + 24 + 4 + 4 + 623 = 666.

It is an interprime number because it is at equal distance from previous prime (472444607) and next prime (472444639).

It is not a de Polignac number, because 472444623 - 2⁴ = 472444607 is a prime.

It is a super-2 number, since 2×472444623² = 446407843603224258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472444523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134536 + ... + 138002.

It is an arithmetic number, because the mean of its divisors is an integer number (17131920).

Almost surely, 2^472444623 is an apocalyptic number.

472444623 is a deficient number, since it is larger than the sum of its proper divisors (349887537).

472444623 is a wasteful number, since it uses less digits than its factorization.

472444623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593 (or 3580 counting only the distinct ones).

The product of its digits is 129024, while the sum is 36.

The square root of 472444623 is about 21735.7912899439. The cubic root of 472444623 is about 778.8436860734.

Adding to 472444623 its reverse (326444274), we get a palindrome (798888897).

The spelling of 472444623 in words is "four hundred seventy-two million, four hundred forty-four thousand, six hundred twenty-three".