20423044034343 has 32 divisors (see below), whose sum is σ = 31132026520000. Its totient is φ = 13392159935040.

The previous prime is 20423044034339. The next prime is 20423044034359. The reversal of 20423044034343 is 34343044032402.

20423044034343 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 304 + 4 + 0 + 3 + 4 + 343 = 666.

It is not a de Polignac number, because 20423044034343 - 2² = 20423044034339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20423044034298 and 20423044034307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20423044034363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76410718 + ... + 76677531.

It is an arithmetic number, because the mean of its divisors is an integer number (972875828750).

Almost surely, 2^{20423044034343} is an apocalyptic number.

20423044034343 is a deficient number, since it is larger than the sum of its proper divisors (10708982485657).

20423044034343 is an frugal number, since it uses more digits than its factorization.

20423044034343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153088331 (or 153088313 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 36.

Adding to 20423044034343 its reverse (34343044032402), we get a palindrome (54766088066745).

The spelling of 20423044034343 in words is "twenty trillion, four hundred twenty-three billion, forty-four million, thirty-four thousand, three hundred forty-three".