423445544324 has 24 divisors (see below), whose sum is σ = 850943200800. Its totient is φ = 182344970880.

The previous prime is 423445544323. The next prime is 423445544393.

423445544324 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×423445544324² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (423445544323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253256069 + ... + 253257740.

It is an arithmetic number, because the mean of its divisors is an integer number (35455966700).

Almost surely, 2^423445544324 is an apocalyptic number.

423445544324 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

423445544324 is an abundant number, since it is smaller than the sum of its proper divisors (427497656476).

423445544324 is a wasteful number, since it uses less digits than its factorization.

423445544324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506513843 (or 506513841 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 44.

It can be divided in two parts, 423445 and 544324, that added together give a palindrome (967769).

The spelling of 423445544324 in words is "four hundred twenty-three billion, four hundred forty-five million, five hundred forty-four thousand, three hundred twenty-four".