447683577023 has 4 divisors (see below), whose sum is σ = 448580739000. Its totient is φ = 446786415048.

The previous prime is 447683577001. The next prime is 447683577031. The reversal of 447683577023 is 320775386744.

It is a happy number.

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 447683577023 - 2²² = 447679382719 is a prime.

It is a super-2 number, since 2×447683577023² (a number of 24 digits) contains 22 as substring.

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 447683577023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447683577043) 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, 448580240 + ... + 448581237.

It is an arithmetic number, because the mean of its divisors is an integer number (112145184750).

Almost surely, 2^447683577023 is an apocalyptic number.

447683577023 is a deficient number, since it is larger than the sum of its proper divisors (897161977).

447683577023 is an equidigital number, since it uses as much as digits as its factorization.

447683577023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897161976.

The product of its (nonzero) digits is 23708160, while the sum is 56.

The spelling of 447683577023 in words is "four hundred forty-seven billion, six hundred eighty-three million, five hundred seventy-seven thousand, twenty-three".