20123124011343 has 32 divisors (see below), whose sum is σ = 29909767372800. Its totient is φ = 13371489072000.

The previous prime is 20123124011317. The next prime is 20123124011407. The reversal of 20123124011343 is 34311042132102.

20123124011343 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 312 + 4 + 0 + 1 + 1 + 343 = 666.

It is not a de Polignac number, because 20123124011343 - 2⁹ = 20123124010831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123124011143) 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, 13121148 + ... + 14574318.

It is an arithmetic number, because the mean of its divisors is an integer number (934680230400).

Almost surely, 2^{20123124011343} is an apocalyptic number.

20123124011343 is a deficient number, since it is larger than the sum of its proper divisors (9786643361457).

20123124011343 is a wasteful number, since it uses less digits than its factorization.

20123124011343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454860 (or 1454854 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 20123124011343 its reverse (34311042132102), we get a palindrome (54434166143445).

The spelling of 20123124011343 in words is "twenty trillion, one hundred twenty-three billion, one hundred twenty-four million, eleven thousand, three hundred forty-three".