523450899 has 12 divisors (see below), whose sum is σ = 782168400. Its totient is φ = 336933744.

The previous prime is 523450883. The next prime is 523450909. The reversal of 523450899 is 998054325.

523450899 is a `hidden beast` number, since 52 + 3 + 4 + 508 + 99 = 666.

It is not a de Polignac number, because 523450899 - 2⁴ = 523450883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (523450819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1002519 + ... + 1003040.

It is an arithmetic number, because the mean of its divisors is an integer number (65180700).

Almost surely, 2^523450899 is an apocalyptic number.

523450899 is a deficient number, since it is larger than the sum of its proper divisors (258717501).

523450899 is a wasteful number, since it uses less digits than its factorization.

523450899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005594 (or 2005591 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 523450899 is about 22879.0493465091. The cubic root of 523450899 is about 805.9200924626.

The spelling of 523450899 in words is "five hundred twenty-three million, four hundred fifty thousand, eight hundred ninety-nine".