447717125623 has 4 divisors (see below), whose sum is σ = 447744157048. Its totient is φ = 447690094200.

The previous prime is 447717125591. The next prime is 447717125651. The reversal of 447717125623 is 326521717744.

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 447717125623 - 2⁵ = 447717125591 is a prime.

It is a super-2 number, since 2×447717125623² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447717125663) 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, 13490853 + ... + 13523998.

It is an arithmetic number, because the mean of its divisors is an integer number (111936039262).

Almost surely, 2^447717125623 is an apocalyptic number.

447717125623 is a deficient number, since it is larger than the sum of its proper divisors (27031425).

447717125623 is a wasteful number, since it uses less digits than its factorization.

447717125623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27031424.

The product of its digits is 1975680, while the sum is 49.

The spelling of 447717125623 in words is "four hundred forty-seven billion, seven hundred seventeen million, one hundred twenty-five thousand, six hundred twenty-three".