472120646623 has 4 divisors (see below), whose sum is σ = 472126800600. Its totient is φ = 472114492648.

The previous prime is 472120646593. The next prime is 472120646633. The reversal of 472120646623 is 326646021274.

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

It is a cyclic number.

It is not a de Polignac number, because 472120646623 - 2²⁹ = 471583775711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 472120646623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472120646633) 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, 2960440 + ... + 3115837.

It is an arithmetic number, because the mean of its divisors is an integer number (118031700150).

Almost surely, 2^472120646623 is an apocalyptic number.

472120646623 is a deficient number, since it is larger than the sum of its proper divisors (6153977).

472120646623 is an equidigital number, since it uses as much as digits as its factorization.

472120646623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6153976.

The product of its (nonzero) digits is 580608, while the sum is 43.

Adding to 472120646623 its reverse (326646021274), we get a palindrome (798766667897).

The spelling of 472120646623 in words is "four hundred seventy-two billion, one hundred twenty million, six hundred forty-six thousand, six hundred twenty-three".