523553073 has 4 divisors (see below), whose sum is σ = 698070768. Its totient is φ = 349035380.

The previous prime is 523553039. The next prime is 523553099. The reversal of 523553073 is 370355325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 523553073 - 2¹⁶ = 523487537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (523553773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87258843 + ... + 87258848.

It is an arithmetic number, because the mean of its divisors is an integer number (174517692).

Almost surely, 2^523553073 is an apocalyptic number.

It is an amenable number.

523553073 is a deficient number, since it is larger than the sum of its proper divisors (174517695).

523553073 is a wasteful number, since it uses less digits than its factorization.

523553073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174517694.

The product of its (nonzero) digits is 47250, while the sum is 33.

The square root of 523553073 is about 22881.2821537605. The cubic root of 523553073 is about 805.9725257297.

The spelling of 523553073 in words is "five hundred twenty-three million, five hundred fifty-three thousand, seventy-three".