20344142223983 has 2 divisors, whose sum is σ = 20344142223984. Its totient is φ = 20344142223982.

The previous prime is 20344142223961. The next prime is 20344142224027. The reversal of 20344142223983 is 38932224144302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20344142223983 - 2³⁴ = 20326962354799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20344142223913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172071111991 + 10172071111992.

It is an arithmetic number, because the mean of its divisors is an integer number (10172071111992).

Almost surely, 2^{20344142223983} is an apocalyptic number.

20344142223983 is a deficient number, since it is larger than the sum of its proper divisors (1).

20344142223983 is an equidigital number, since it uses as much as digits as its factorization.

20344142223983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1990656, while the sum is 47.

The spelling of 20344142223983 in words is "twenty trillion, three hundred forty-four billion, one hundred forty-two million, two hundred twenty-three thousand, nine hundred eighty-three".