1123436343211 has 16 divisors (see below), whose sum is σ = 1396380904128. Its totient is φ = 880071984000.

The previous prime is 1123436343151. The next prime is 1123436343313.

1123436343211 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1123436343211 - 2¹⁵ = 1123436310443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123436343611) 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, 61106920 + ... + 61125301.

It is an arithmetic number, because the mean of its divisors is an integer number (87273806508).

Almost surely, 2^{1123436343211} is an apocalyptic number.

1123436343211 is a deficient number, since it is larger than the sum of its proper divisors (272944560917).

1123436343211 is a wasteful number, since it uses less digits than its factorization.

1123436343211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122232342.

The product of its digits is 31104, while the sum is 34.

The spelling of 1123436343211 in words is "one trillion, one hundred twenty-three billion, four hundred thirty-six million, three hundred forty-three thousand, two hundred eleven".