43111104121223 has 32 divisors (see below), whose sum is σ = 44243884800000. Its totient is φ = 41991214966272.

The previous prime is 43111104121201. The next prime is 43111104121259. The reversal of 43111104121223 is 32212140111134.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 43111104121223 - 2¹⁶ = 43111104055687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43111104121192 and 43111104121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43111104121823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16523994143 + ... + 16523996751.

It is an arithmetic number, because the mean of its divisors is an integer number (1382621400000).

Almost surely, 2^{43111104121223} is an apocalyptic number.

43111104121223 is a deficient number, since it is larger than the sum of its proper divisors (1132780678777).

43111104121223 is a wasteful number, since it uses less digits than its factorization.

43111104121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5759.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 43111104121223 its reverse (32212140111134), we get a palindrome (75323244232357).

The spelling of 43111104121223 in words is "forty-three trillion, one hundred eleven billion, one hundred four million, one hundred twenty-one thousand, two hundred twenty-three".