43688775023 has 12 divisors (see below), whose sum is σ = 44404939152. Its totient is φ = 42983962560.

The previous prime is 43688774993. The next prime is 43688775043. The reversal of 43688775023 is 32057788634.

It is not a de Polignac number, because 43688775023 - 2²⁴ = 43671997807 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 (43688775043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3949286 + ... + 3960332.

It is an arithmetic number, because the mean of its divisors is an integer number (3700411596).

Almost surely, 2^43688775023 is an apocalyptic number.

43688775023 is a deficient number, since it is larger than the sum of its proper divisors (716164129).

43688775023 is an equidigital number, since it uses as much as digits as its factorization.

43688775023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12062 (or 11995 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 43688775023 in words is "forty-three billion, six hundred eighty-eight million, seven hundred seventy-five thousand, twenty-three".