20344124535023 has 4 divisors (see below), whose sum is σ = 20344896019608. Its totient is φ = 20343353050440.

The previous prime is 20344124534941. The next prime is 20344124535029. The reversal of 20344124535023 is 32053542144302.

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 20344124535023 - 2¹⁴ = 20344124518639 is a prime.

It is a super-2 number, since 2×20344124535023² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344124535029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385702736 + ... + 385755477.

It is an arithmetic number, because the mean of its divisors is an integer number (5086224004902).

Almost surely, 2^{20344124535023} is an apocalyptic number.

20344124535023 is a deficient number, since it is larger than the sum of its proper divisors (771484585).

20344124535023 is an equidigital number, since it uses as much as digits as its factorization.

20344124535023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771484584.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 20344124535023 its reverse (32053542144302), we get a palindrome (52397666679325).

The spelling of 20344124535023 in words is "twenty trillion, three hundred forty-four billion, one hundred twenty-four million, five hundred thirty-five thousand, twenty-three".