43621740423 has 6 divisors (see below), whose sum is σ = 63009180624. Its totient is φ = 29081160276.

The previous prime is 43621740403. The next prime is 43621740433. The reversal of 43621740423 is 32404712634.

43621740423 is a `hidden beast` number, since 4 + 3 + 62 + 174 + 0 + 423 = 666.

43621740423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43621740423 - 2¹⁷ = 43621609351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43621740403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2423430015 + ... + 2423430032.

It is an arithmetic number, because the mean of its divisors is an integer number (10501530104).

Almost surely, 2^43621740423 is an apocalyptic number.

43621740423 is a deficient number, since it is larger than the sum of its proper divisors (19387440201).

43621740423 is a wasteful number, since it uses less digits than its factorization.

43621740423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4846860053 (or 4846860050 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The spelling of 43621740423 in words is "forty-three billion, six hundred twenty-one million, seven hundred forty thousand, four hundred twenty-three".