523321442203 has 16 divisors (see below), whose sum is σ = 605394556416. Its totient is φ = 443098281600.

The previous prime is 523321442197. The next prime is 523321442239. The reversal of 523321442203 is 302244123325.

It is a cyclic number.

It is not a de Polignac number, because 523321442203 - 2²⁹ = 522784571291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523321442803) 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, 615901 + ... + 1194142.

It is an arithmetic number, because the mean of its divisors is an integer number (37837159776).

Almost surely, 2^523321442203 is an apocalyptic number.

523321442203 is a deficient number, since it is larger than the sum of its proper divisors (82073114213).

523321442203 is a wasteful number, since it uses less digits than its factorization.

523321442203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810554.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 523321442203 its reverse (302244123325), we get a palindrome (825565565528).

The spelling of 523321442203 in words is "five hundred twenty-three billion, three hundred twenty-one million, four hundred forty-two thousand, two hundred three".