43620433204823 has 4 divisors (see below), whose sum is σ = 43745420119800. Its totient is φ = 43495446289848.

The previous prime is 43620433204793. The next prime is 43620433204867. The reversal of 43620433204823 is 32840233402634.

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 43620433204823 - 2⁶ = 43620433204759 is a prime.

It is a super-2 number, since 2×43620433204823² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43620433204223) 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, 62493456965 + ... + 62493457662.

It is an arithmetic number, because the mean of its divisors is an integer number (10936355029950).

Almost surely, 2^{43620433204823} is an apocalyptic number.

43620433204823 is a deficient number, since it is larger than the sum of its proper divisors (124986914977).

43620433204823 is a wasteful number, since it uses less digits than its factorization.

43620433204823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124986914976.

The product of its (nonzero) digits is 1990656, while the sum is 44.

The spelling of 43620433204823 in words is "forty-three trillion, six hundred twenty billion, four hundred thirty-three million, two hundred four thousand, eight hundred twenty-three".