8445212523 has 24 divisors (see below), whose sum is σ = 13800486336. Its totient is φ = 5118309000.

The previous prime is 8445212521. The next prime is 8445212537. The reversal of 8445212523 is 3252125448.

8445212523 is a `hidden beast` number, since 84 + 4 + 52 + 1 + 2 + 523 = 666.

It is not a de Polignac number, because 8445212523 - 2¹ = 8445212521 is a prime.

It is a super-2 number, since 2×8445212523² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8445212521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1577053 + ... + 1582398.

It is an arithmetic number, because the mean of its divisors is an integer number (575020264).

Almost surely, 2^8445212523 is an apocalyptic number.

8445212523 is a deficient number, since it is larger than the sum of its proper divisors (5355273813).

8445212523 is a wasteful number, since it uses less digits than its factorization.

8445212523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159477 (or 3159465 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 8445212523 is about 91897.8374228687. The cubic root of 8445212523 is about 2036.4333200848.

The spelling of 8445212523 in words is "eight billion, four hundred forty-five million, two hundred twelve thousand, five hundred twenty-three".