43123240100001 has 8 divisors (see below), whose sum is σ = 60879868376544. Its totient is φ = 27057719278400.

The previous prime is 43123240099993. The next prime is 43123240100051. The reversal of 43123240100001 is 10000104232134.

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 43123240100001 - 2³ = 43123240099993 is a prime.

It is a super-2 number, since 2×43123240100001² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43123240100051) 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, 422776863675 + ... + 422776863776.

It is an arithmetic number, because the mean of its divisors is an integer number (7609983547068).

Almost surely, 2^{43123240100001} is an apocalyptic number.

It is an amenable number.

43123240100001 is a deficient number, since it is larger than the sum of its proper divisors (17756628276543).

43123240100001 is a wasteful number, since it uses less digits than its factorization.

43123240100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845553727471.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 43123240100001 its reverse (10000104232134), we get a palindrome (53123344332135).

The spelling of 43123240100001 in words is "forty-three trillion, one hundred twenty-three billion, two hundred forty million, one hundred thousand, one".