523006621064 has 32 divisors (see below), whose sum is σ = 981953461440. Its totient is φ = 261152558400.

The previous prime is 523006621037. The next prime is 523006621097. The reversal of 523006621064 is 460126600325.

It is a happy number.

It is a super-3 number, since 3×523006621064³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26152109 + ... + 26172099.

It is an arithmetic number, because the mean of its divisors is an integer number (30686045670).

Almost surely, 2^523006621064 is an apocalyptic number.

It is an amenable number.

523006621064 is a deficient number, since it is larger than the sum of its proper divisors (458946840376).

523006621064 is a wasteful number, since it uses less digits than its factorization.

523006621064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24221 (or 24217 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 523006621064 in words is "five hundred twenty-three billion, six million, six hundred twenty-one thousand, sixty-four".