20410034213123 has 4 divisors (see below), whose sum is σ = 20411475715680. Its totient is φ = 20408592710568.

The previous prime is 20410034213117. The next prime is 20410034213131. The reversal of 20410034213123 is 32131243001402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20410034213123 - 2¹⁸ = 20410033950979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20410034213092 and 20410034213101.

It is not an unprimeable number, because it can be changed into a prime (20410034212123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720730040 + ... + 720758357.

It is an arithmetic number, because the mean of its divisors is an integer number (5102868928920).

Almost surely, 2^{20410034213123} is an apocalyptic number.

20410034213123 is a deficient number, since it is larger than the sum of its proper divisors (1441502557).

20410034213123 is a wasteful number, since it uses less digits than its factorization.

20410034213123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441502556.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20410034213123 its reverse (32131243001402), we get a palindrome (52541277214525).

The spelling of 20410034213123 in words is "twenty trillion, four hundred ten billion, thirty-four million, two hundred thirteen thousand, one hundred twenty-three".