43423163643 has 8 divisors (see below), whose sum is σ = 57938648400. Its totient is φ = 28928227328.

The previous prime is 43423163627. The next prime is 43423163647. The reversal of 43423163643 is 34636132434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43423163643 - 2⁴ = 43423163627 is a prime.

It is a super-2 number, since 2×43423163643² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43423163647) 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 7 ways as a sum of consecutive naturals, for example, 5132178 + ... + 5140631.

It is an arithmetic number, because the mean of its divisors is an integer number (7242331050).

Almost surely, 2^43423163643 is an apocalyptic number.

43423163643 is a deficient number, since it is larger than the sum of its proper divisors (14515484757).

43423163643 is a wasteful number, since it uses less digits than its factorization.

43423163643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10274221.

The product of its digits is 373248, while the sum is 39.

The spelling of 43423163643 in words is "forty-three billion, four hundred twenty-three million, one hundred sixty-three thousand, six hundred forty-three".