6523575623 has 4 divisors (see below), whose sum is σ = 6675286728. Its totient is φ = 6371864520.

The previous prime is 6523575593. The next prime is 6523575671. The reversal of 6523575623 is 3265753256.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6523575623 - 2⁸ = 6523575367 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 (6523575683) 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, 75855488 + ... + 75855573.

It is an arithmetic number, because the mean of its divisors is an integer number (1668821682).

Almost surely, 2^6523575623 is an apocalyptic number.

6523575623 is a deficient number, since it is larger than the sum of its proper divisors (151711105).

6523575623 is a wasteful number, since it uses less digits than its factorization.

6523575623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151711104.

The product of its digits is 1134000, while the sum is 44.

The square root of 6523575623 is about 80768.6549535152. The cubic root of 6523575623 is about 1868.5091707594.

The spelling of 6523575623 in words is "six billion, five hundred twenty-three million, five hundred seventy-five thousand, six hundred twenty-three".