523352340 has 360 divisors, whose sum is σ = 2016131040. Its totient is φ = 113000832.

The previous prime is 523352317. The next prime is 523352351. The reversal of 523352340 is 43253325.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1508047 + ... + 1508393.

It is an arithmetic number, because the mean of its divisors is an integer number (5600364).

Almost surely, 2^523352340 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 523352340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1008065520).

523352340 is an abundant number, since it is smaller than the sum of its proper divisors (1492778700).

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

523352340 is a wasteful number, since it uses less digits than its factorization.

523352340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 523352340 is about 22876.8953313163. The cubic root of 523352340 is about 805.8695078619.

The spelling of 523352340 in words is "five hundred twenty-three million, three hundred fifty-two thousand, three hundred forty".