523743997 has 12 divisors (see below), whose sum is σ = 609672000. Its totient is φ = 448614936.

The previous prime is 523743967. The next prime is 523744037. The reversal of 523743997 is 799347325.

It is not a de Polignac number, because 523743997 - 2¹⁵ = 523711229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 523743997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523743937) 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, 95278 + ... + 100624.

It is an arithmetic number, because the mean of its divisors is an integer number (50806000).

Almost surely, 2^523743997 is an apocalyptic number.

It is an amenable number.

523743997 is a deficient number, since it is larger than the sum of its proper divisors (85928003).

523743997 is a wasteful number, since it uses less digits than its factorization.

523743997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7360 (or 7353 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 49.

The square root of 523743997 is about 22885.4538298894. The cubic root of 523743997 is about 806.0704851058.

The spelling of 523743997 in words is "five hundred twenty-three million, seven hundred forty-three thousand, nine hundred ninety-seven".