655465504723 has 4 divisors (see below), whose sum is σ = 666210840928. Its totient is φ = 644720168520.

The previous prime is 655465504717. The next prime is 655465504787. The reversal of 655465504723 is 327405564556.

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 655465504723 - 2⁵ = 655465504691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655465804723) 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, 5372668011 + ... + 5372668132.

It is an arithmetic number, because the mean of its divisors is an integer number (166552710232).

Almost surely, 2^655465504723 is an apocalyptic number.

655465504723 is a deficient number, since it is larger than the sum of its proper divisors (10745336205).

655465504723 is a wasteful number, since it uses less digits than its factorization.

655465504723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10745336204.

The product of its (nonzero) digits is 15120000, while the sum is 52.

The spelling of 655465504723 in words is "six hundred fifty-five billion, four hundred sixty-five million, five hundred four thousand, seven hundred twenty-three".