523381794 has 64 divisors (see below), whose sum is σ = 1150947840. Its totient is φ = 157697280.

The previous prime is 523381777. The next prime is 523381799. The reversal of 523381794 is 497183325.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (523381799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 967164 + ... + 967704.

It is an arithmetic number, because the mean of its divisors is an integer number (17983560).

Almost surely, 2^523381794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523381794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575473920).

523381794 is an abundant number, since it is smaller than the sum of its proper divisors (627566046).

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

523381794 is a wasteful number, since it uses less digits than its factorization.

523381794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795.

The product of its digits is 181440, while the sum is 42.

The square root of 523381794 is about 22877.5390721992. The cubic root of 523381794 is about 805.8846255518.

The spelling of 523381794 in words is "five hundred twenty-three million, three hundred eighty-one thousand, seven hundred ninety-four".