523238406 has 16 divisors (see below), whose sum is σ = 1048030704. Its totient is φ = 174153824.

The previous prime is 523238369. The next prime is 523238407. The reversal of 523238406 is 604832325.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523238407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60345 + ... + 68468.

It is an arithmetic number, because the mean of its divisors is an integer number (65501919).

Almost surely, 2^523238406 is an apocalyptic number.

523238406 is an abundant number, since it is smaller than the sum of its proper divisors (524792298).

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

523238406 is a wasteful number, since it uses less digits than its factorization.

523238406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129495.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 523238406 is about 22874.4050414432. The cubic root of 523238406 is about 805.8110242533.

The spelling of 523238406 in words is "five hundred twenty-three million, two hundred thirty-eight thousand, four hundred six".