653363452523 has 4 divisors (see below), whose sum is σ = 655450876008. Its totient is φ = 651276029040.

The previous prime is 653363452481. The next prime is 653363452619. The reversal of 653363452523 is 325254363356.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-653363452523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (653363452723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043711273 + ... + 1043711898.

It is an arithmetic number, because the mean of its divisors is an integer number (163862719002).

Almost surely, 2^653363452523 is an apocalyptic number.

653363452523 is a deficient number, since it is larger than the sum of its proper divisors (2087423485).

653363452523 is a wasteful number, since it uses less digits than its factorization.

653363452523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087423484.

The product of its digits is 5832000, while the sum is 47.

The spelling of 653363452523 in words is "six hundred fifty-three billion, three hundred sixty-three million, four hundred fifty-two thousand, five hundred twenty-three".