523237997 has 2 divisors, whose sum is σ = 523237998. Its totient is φ = 523237996.

The previous prime is 523237969. The next prime is 523237999. The reversal of 523237997 is 799732325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 445463236 + 77774761 = 21106^2 + 8819^2 .

It is a cyclic number.

It is not a de Polignac number, because 523237997 - 2¹⁴ = 523221613 is a prime.

Together with 523237999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523237999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261618998 + 261618999.

It is an arithmetic number, because the mean of its divisors is an integer number (261618999).

Almost surely, 2^523237997 is an apocalyptic number.

It is an amenable number.

523237997 is a deficient number, since it is larger than the sum of its proper divisors (1).

523237997 is an equidigital number, since it uses as much as digits as its factorization.

523237997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 714420, while the sum is 47.

The square root of 523237997 is about 22874.3961013182. The cubic root of 523237997 is about 805.8108142937.

The spelling of 523237997 in words is "five hundred twenty-three million, two hundred thirty-seven thousand, nine hundred ninety-seven".