243126214423 has 8 divisors (see below), whose sum is σ = 247053393792. Its totient is φ = 239207812536.

The previous prime is 243126214421. The next prime is 243126214433. The reversal of 243126214423 is 324412621342.

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 243126214423 - 2¹ = 243126214421 is a prime.

It is a super-2 number, since 2×243126214423² (a number of 24 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 (243126214421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2138515 + ... + 2249332.

It is an arithmetic number, because the mean of its divisors is an integer number (30881674224).

Almost surely, 2^243126214423 is an apocalyptic number.

243126214423 is a deficient number, since it is larger than the sum of its proper divisors (3927179369).

243126214423 is an equidigital number, since it uses as much as digits as its factorization.

243126214423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4388741.

The product of its digits is 55296, while the sum is 34.

Adding to 243126214423 its reverse (324412621342), we get a palindrome (567538835765).

The spelling of 243126214423 in words is "two hundred forty-three billion, one hundred twenty-six million, two hundred fourteen thousand, four hundred twenty-three".