20043672337423 has 4 divisors (see below), whose sum is σ = 22907054099920. Its totient is φ = 17180290574928.

The previous prime is 20043672337373. The next prime is 20043672337483. The reversal of 20043672337423 is 32473327634002.

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 20043672337423 - 2⁹ = 20043672336911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043672337483) 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, 1431690881238 + ... + 1431690881251.

It is an arithmetic number, because the mean of its divisors is an integer number (5726763524980).

Almost surely, 2^{20043672337423} is an apocalyptic number.

20043672337423 is a deficient number, since it is larger than the sum of its proper divisors (2863381762497).

20043672337423 is an equidigital number, since it uses as much as digits as its factorization.

20043672337423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863381762496.

The product of its (nonzero) digits is 3048192, while the sum is 46.

The spelling of 20043672337423 in words is "twenty trillion, forty-three billion, six hundred seventy-two million, three hundred thirty-seven thousand, four hundred twenty-three".