523214406 has 144 divisors (see below), whose sum is σ = 1422150912. Its totient is φ = 137617920.

The previous prime is 523214401. The next prime is 523214429. The reversal of 523214406 is 604412325.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 523214406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523214401) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 480795 + ... + 481881.

It is an arithmetic number, because the mean of its divisors is an integer number (9876048).

Almost surely, 2^523214406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523214406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711075456).

523214406 is an abundant number, since it is smaller than the sum of its proper divisors (898936506).

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

523214406 is a wasteful number, since it uses less digits than its factorization.

523214406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 523214406 is about 22873.8804316189. The cubic root of 523214406 is about 805.7987036999.

The spelling of 523214406 in words is "five hundred twenty-three million, two hundred fourteen thousand, four hundred six".