20351341025123 has 2 divisors, whose sum is σ = 20351341025124. Its totient is φ = 20351341025122.

The previous prime is 20351341025089. The next prime is 20351341025129. The reversal of 20351341025123 is 32152014315302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20351341025123 - 2¹⁰ = 20351341024099 is a prime.

It is a super-3 number, since 3×20351341025123³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20351341025123.

It is not a weakly prime, because it can be changed into another prime (20351341025129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10175670512561 + 10175670512562.

It is an arithmetic number, because the mean of its divisors is an integer number (10175670512562).

Almost surely, 2^{20351341025123} is an apocalyptic number.

20351341025123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20351341025123 is an equidigital number, since it uses as much as digits as its factorization.

20351341025123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 20351341025123 in words is "twenty trillion, three hundred fifty-one billion, three hundred forty-one million, twenty-five thousand, one hundred twenty-three".