445123441434423 has 16 divisors (see below), whose sum is σ = 612649979110400. Its totient is φ = 287173149949440.

The previous prime is 445123441434391. The next prime is 445123441434431. The reversal of 445123441434423 is 324434144321544.

It is not a de Polignac number, because 445123441434423 - 2⁵ = 445123441434391 is a prime.

It is a super-2 number, since 2×445123441434423² (a number of 30 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 (445123441434433) 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, 18958933 + ... + 35350926.

It is an arithmetic number, because the mean of its divisors is an integer number (38290623694400).

Almost surely, 2^{445123441434423} is an apocalyptic number.

445123441434423 is a deficient number, since it is larger than the sum of its proper divisors (167526537675977).

445123441434423 is a wasteful number, since it uses less digits than its factorization.

445123441434423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54398022.

The product of its digits is 8847360, while the sum is 48.

Adding to 445123441434423 its reverse (324434144321544), we get a palindrome (769557585755967).

The spelling of 445123441434423 in words is "four hundred forty-five trillion, one hundred twenty-three billion, four hundred forty-one million, four hundred thirty-four thousand, four hundred twenty-three".