243034331121323 has 16 divisors (see below), whose sum is σ = 278839744304640. Its totient is φ = 207500993784000.

The previous prime is 243034331121229. The next prime is 243034331121341. The reversal of 243034331121323 is 323121133430342.

It is not a de Polignac number, because 243034331121323 - 2²⁶ = 243034264012459 is a prime.

It is a super-2 number, since 2×243034331121323² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243034331121353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16060943 + ... + 27276776.

It is an arithmetic number, because the mean of its divisors is an integer number (17427484019040).

Almost surely, 2^{243034331121323} is an apocalyptic number.

243034331121323 is a deficient number, since it is larger than the sum of its proper divisors (35805413183317).

243034331121323 is a wasteful number, since it uses less digits than its factorization.

243034331121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43340858.

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 243034331121323 its reverse (323121133430342), we get a palindrome (566155464551665).

The spelling of 243034331121323 in words is "two hundred forty-three trillion, thirty-four billion, three hundred thirty-one million, one hundred twenty-one thousand, three hundred twenty-three".