656045530623 has 48 divisors (see below), whose sum is σ = 1109549593152. Its totient is φ = 365693760000.

The previous prime is 656045530597. The next prime is 656045530631. The reversal of 656045530623 is 326035540656.

656045530623 is a `hidden beast` number, since 6 + 5 + 604 + 5 + 5 + 30 + 6 + 2 + 3 = 666.

It is not a de Polignac number, because 656045530623 - 2⁶ = 656045530559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656045530663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40237573 + ... + 40253873.

It is an arithmetic number, because the mean of its divisors is an integer number (23115616524).

Almost surely, 2^656045530623 is an apocalyptic number.

656045530623 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

656045530623 is a deficient number, since it is larger than the sum of its proper divisors (453504062529).

656045530623 is a wasteful number, since it uses less digits than its factorization.

656045530623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31936 (or 31933 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 45.

The spelling of 656045530623 in words is "six hundred fifty-six billion, forty-five million, five hundred thirty thousand, six hundred twenty-three".