523056870 has 144 divisors (see below), whose sum is σ = 1602160560. Its totient is φ = 118032768.

The previous prime is 523056817. The next prime is 523056887. The reversal of 523056870 is 78650325.

523056870 is a `hidden beast` number, since 5 + 23 + 0 + 568 + 70 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 365316 + ... + 366744.

It is an arithmetic number, because the mean of its divisors is an integer number (11126115).

Almost surely, 2^523056870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523056870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (801080280).

523056870 is an abundant number, since it is smaller than the sum of its proper divisors (1079103690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523056870 is a wasteful number, since it uses less digits than its factorization.

523056870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 523056870 is about 22870.4365939962. The cubic root of 523056870 is about 805.7178222322.

The spelling of 523056870 in words is "five hundred twenty-three million, fifty-six thousand, eight hundred seventy".