447043111023 has 16 divisors (see below), whose sum is σ = 622014736896. Its totient is φ = 285051851040.

The previous prime is 447043110989. The next prime is 447043111049. The reversal of 447043111023 is 320111340744.

It is a de Polignac number, because none of the positive numbers 2^k-447043111023 is a prime.

It is a super-2 number, since 2×447043111023² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447043110023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857286 + ... + 1276332.

It is an arithmetic number, because the mean of its divisors is an integer number (38875921056).

Almost surely, 2^447043111023 is an apocalyptic number.

447043111023 is a deficient number, since it is larger than the sum of its proper divisors (174971625873).

447043111023 is a wasteful number, since it uses less digits than its factorization.

447043111023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434534.

The product of its (nonzero) digits is 8064, while the sum is 30.

Adding to 447043111023 its reverse (320111340744), we get a palindrome (767154451767).

The spelling of 447043111023 in words is "four hundred forty-seven billion, forty-three million, one hundred eleven thousand, twenty-three".