20734073233123 has 2 divisors, whose sum is σ = 20734073233124. Its totient is φ = 20734073233122.

The previous prime is 20734073233063. The next prime is 20734073233129. The reversal of 20734073233123 is 32133237043702.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20734073233123 is a prime.

It is not a weakly prime, because it can be changed into another prime (20734073233129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10367036616561 + 10367036616562.

It is an arithmetic number, because the mean of its divisors is an integer number (10367036616562).

Almost surely, 2^{20734073233123} is an apocalyptic number.

20734073233123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20734073233123 is an equidigital number, since it uses as much as digits as its factorization.

20734073233123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 40.

The spelling of 20734073233123 in words is "twenty trillion, seven hundred thirty-four billion, seventy-three million, two hundred thirty-three thousand, one hundred twenty-three".