20413344562123 has 8 divisors (see below), whose sum is σ = 20540271928176. Its totient is φ = 20286572652000.

The previous prime is 20413344562109. The next prime is 20413344562153. The reversal of 20413344562123 is 32126544331402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20413344562123 - 2³³ = 20404754627531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20413344562153) 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 in 7 ways as a sum of consecutive naturals, for example, 38600536 + ... + 39125797.

It is an arithmetic number, because the mean of its divisors is an integer number (2567533991022).

Almost surely, 2^{20413344562123} is an apocalyptic number.

20413344562123 is a deficient number, since it is larger than the sum of its proper divisors (126927366053).

20413344562123 is a wasteful number, since it uses less digits than its factorization.

20413344562123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77727965.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 20413344562123 its reverse (32126544331402), we get a palindrome (52539888893525).

The spelling of 20413344562123 in words is "twenty trillion, four hundred thirteen billion, three hundred forty-four million, five hundred sixty-two thousand, one hundred twenty-three".