523253399 has 2 divisors, whose sum is σ = 523253400. Its totient is φ = 523253398.

The previous prime is 523253389. The next prime is 523253417. The reversal of 523253399 is 993352325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 523253399 - 2⁴ = 523253383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523253329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261626699 + 261626700.

It is an arithmetic number, because the mean of its divisors is an integer number (261626700).

Almost surely, 2^523253399 is an apocalyptic number.

523253399 is a deficient number, since it is larger than the sum of its proper divisors (1).

523253399 is an equidigital number, since it uses as much as digits as its factorization.

523253399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 218700, while the sum is 41.

The square root of 523253399 is about 22874.7327634663. The cubic root of 523253399 is about 805.8187208146.

The spelling of 523253399 in words is "five hundred twenty-three million, two hundred fifty-three thousand, three hundred ninety-nine".