523463808 has 128 divisors (see below), whose sum is σ = 1658373120. Its totient is φ = 143041536.

The previous prime is 523463807. The next prime is 523463849. The reversal of 523463808 is 808364325.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (523463803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57591 + ... + 66057.

It is an arithmetic number, because the mean of its divisors is an integer number (12956040).

Almost surely, 2^523463808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523463808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829186560).

523463808 is an abundant number, since it is smaller than the sum of its proper divisors (1134909312).

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

523463808 is a wasteful number, since it uses less digits than its factorization.

523463808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8514 (or 8502 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 523463808 is about 22879.3314587643. The cubic root of 523463808 is about 805.9267174310.

The spelling of 523463808 in words is "five hundred twenty-three million, four hundred sixty-three thousand, eight hundred eight".