11343211212123 has 24 divisors (see below), whose sum is σ = 18726866776800. Its totient is φ = 6481292995584.

The previous prime is 11343211212121. The next prime is 11343211212169. The reversal of 11343211212123 is 32121211234311.

11343211212123 is a `hidden beast` number, since 1 + 1 + 3 + 4 + 321 + 1 + 212 + 123 = 666.

It is not a de Polignac number, because 11343211212123 - 2¹ = 11343211212121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11343211212121) 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 23 ways as a sum of consecutive naturals, for example, 6767508 + ... + 8275601.

It is an arithmetic number, because the mean of its divisors is an integer number (780286115700).

Almost surely, 2^{11343211212123} is an apocalyptic number.

11343211212123 is a deficient number, since it is larger than the sum of its proper divisors (7383655564677).

11343211212123 is a wasteful number, since it uses less digits than its factorization.

11343211212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15055091 (or 15055088 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

Adding to 11343211212123 its reverse (32121211234311), we get a palindrome (43464422446434).

The spelling of 11343211212123 in words is "eleven trillion, three hundred forty-three billion, two hundred eleven million, two hundred twelve thousand, one hundred twenty-three".