523443013 has 8 divisors (see below), whose sum is σ = 537195776. Its totient is φ = 509857200.

The previous prime is 523442939. The next prime is 523443017. The reversal of 523443013 is 310344325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 523443013 - 2⁹ = 523442501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523443017) 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, 35373 + ... + 47938.

It is an arithmetic number, because the mean of its divisors is an integer number (67149472).

Almost surely, 2^523443013 is an apocalyptic number.

It is an amenable number.

523443013 is a deficient number, since it is larger than the sum of its proper divisors (13752763).

523443013 is a wasteful number, since it uses less digits than its factorization.

523443013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83475.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 523443013 is about 22878.8770047833. The cubic root of 523443013 is about 805.9160452713.

Adding to 523443013 its reverse (310344325), we get a palindrome (833787338).

The spelling of 523443013 in words is "five hundred twenty-three million, four hundred forty-three thousand, thirteen".