523212445534 has 4 divisors (see below), whose sum is σ = 784818668304. Its totient is φ = 261606222766.

The previous prime is 523212445517. The next prime is 523212445589. The reversal of 523212445534 is 435544212325.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130803111382 + ... + 130803111385.

It is an arithmetic number, because the mean of its divisors is an integer number (196204667076).

Almost surely, 2^523212445534 is an apocalyptic number.

523212445534 is a deficient number, since it is larger than the sum of its proper divisors (261606222770).

523212445534 is a wasteful number, since it uses less digits than its factorization.

523212445534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261606222769.

The product of its digits is 576000, while the sum is 40.

Adding to 523212445534 its reverse (435544212325), we get a palindrome (958756657859).

The spelling of 523212445534 in words is "five hundred twenty-three billion, two hundred twelve million, four hundred forty-five thousand, five hundred thirty-four".