423111500544 has 72 divisors (see below), whose sum is σ = 1150053166080. Its totient is φ = 138036364288.

The previous prime is 423111500521. The next prime is 423111500579. The reversal of 423111500544 is 445005111324.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5824824 + ... + 5897015.

It is an arithmetic number, because the mean of its divisors is an integer number (15972960640).

Almost surely, 2^423111500544 is an apocalyptic number.

It is an amenable number.

423111500544 is an abundant number, since it is smaller than the sum of its proper divisors (726941665536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423111500544 is a wasteful number, since it uses less digits than its factorization.

423111500544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11721905 (or 11721891 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 423111500544 its reverse (445005111324), we get a palindrome (868116611868).

The spelling of 423111500544 in words is "four hundred twenty-three billion, one hundred eleven million, five hundred thousand, five hundred forty-four".