523443451345201 has 4 divisors (see below), whose sum is σ = 523650264248304. Its totient is φ = 523236638442100.

The previous prime is 523443451345189. The next prime is 523443451345211. The reversal of 523443451345201 is 102543154344325.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 523443451345201 - 2⁵ = 523443451345169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523443451345211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103406447755 + ... + 103406452816.

It is an arithmetic number, because the mean of its divisors is an integer number (130912566062076).

Almost surely, 2^{523443451345201} is an apocalyptic number.

It is an amenable number.

523443451345201 is a deficient number, since it is larger than the sum of its proper divisors (206812903103).

523443451345201 is a wasteful number, since it uses less digits than its factorization.

523443451345201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206812903102.

The product of its (nonzero) digits is 3456000, while the sum is 46.

The spelling of 523443451345201 in words is "five hundred twenty-three trillion, four hundred forty-three billion, four hundred fifty-one million, three hundred forty-five thousand, two hundred one".