523400000 has 84 divisors (see below), whose sum is σ = 1298690316. Its totient is φ = 209280000.

The previous prime is 523399993. The next prime is 523400077. The reversal of 523400000 is 4325.

523400000 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 282777856 + 240622144 = 16816^2 + 15512^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198692 + ... + 201308.

It is an arithmetic number, because the mean of its divisors is an integer number (15460599).

Almost surely, 2^523400000 is an apocalyptic number.

523400000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649345158).

523400000 is an abundant number, since it is smaller than the sum of its proper divisors (775290316).

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

523400000 is an frugal number, since it uses more digits than its factorization.

523400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654 (or 2624 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 523400000 is about 22877.9369699280. The cubic root of 523400000 is about 805.8939697600.

Adding to 523400000 its reverse (4325), we get a palindrome (523404325).

The spelling of 523400000 in words is "five hundred twenty-three million, four hundred thousand".