656032290923 has 4 divisors (see below), whose sum is σ = 657859679280. Its totient is φ = 654204902568.

The previous prime is 656032290911. The next prime is 656032290931. The reversal of 656032290923 is 329092230656.

656032290923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 656032290923 - 2¹⁴ = 656032274539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (656032293923) 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, 913693640 + ... + 913694357.

It is an arithmetic number, because the mean of its divisors is an integer number (164464919820).

Almost surely, 2^656032290923 is an apocalyptic number.

656032290923 is a deficient number, since it is larger than the sum of its proper divisors (1827388357).

656032290923 is a wasteful number, since it uses less digits than its factorization.

656032290923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827388356.

The product of its (nonzero) digits is 1049760, while the sum is 47.

The spelling of 656032290923 in words is "six hundred fifty-six billion, thirty-two million, two hundred ninety thousand, nine hundred twenty-three".