523244412545 has 4 divisors (see below), whose sum is σ = 627893295060. Its totient is φ = 418595530032.

The previous prime is 523244412521. The next prime is 523244412599. The reversal of 523244412545 is 545214442325.

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

It can be written as a sum of positive squares in 2 ways, for example, as 71271913024 + 451972499521 = 266968^2 + 672289^2 .

It is a cyclic number.

It is not a de Polignac number, because 523244412545 - 2²⁸ = 522975977089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52324441250 + ... + 52324441259.

It is an arithmetic number, because the mean of its divisors is an integer number (156973323765).

Almost surely, 2^523244412545 is an apocalyptic number.

It is an amenable number.

523244412545 is a deficient number, since it is larger than the sum of its proper divisors (104648882515).

523244412545 is a wasteful number, since it uses less digits than its factorization.

523244412545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104648882514.

The product of its digits is 768000, while the sum is 41.

The spelling of 523244412545 in words is "five hundred twenty-three billion, two hundred forty-four million, four hundred twelve thousand, five hundred forty-five".