523238399 has 8 divisors (see below), whose sum is σ = 525944640. Its totient is φ = 520538400.

The previous prime is 523238369. The next prime is 523238407. The reversal of 523238399 is 993832325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 523238399 - 2⁸ = 523238143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523238369) 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, 299669 + ... + 301409.

It is an arithmetic number, because the mean of its divisors is an integer number (65743080).

Almost surely, 2^523238399 is an apocalyptic number.

523238399 is a deficient number, since it is larger than the sum of its proper divisors (2706241).

523238399 is a wasteful number, since it uses less digits than its factorization.

523238399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121.

The product of its digits is 349920, while the sum is 44.

The square root of 523238399 is about 22874.4048884337. The cubic root of 523238399 is about 805.8110206599.

The spelling of 523238399 in words is "five hundred twenty-three million, two hundred thirty-eight thousand, three hundred ninety-nine".