20023043443323 has 16 divisors (see below), whose sum is σ = 26940885918336. Its totient is φ = 13227434317440.

The previous prime is 20023043443279. The next prime is 20023043443349. The reversal of 20023043443323 is 32334434032002.

It is not a de Polignac number, because 20023043443323 - 2⁹ = 20023043442811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20023043443523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60587313 + ... + 60916898.

It is an arithmetic number, because the mean of its divisors is an integer number (1683805369896).

Almost surely, 2^{20023043443323} is an apocalyptic number.

20023043443323 is a deficient number, since it is larger than the sum of its proper divisors (6917842475013).

20023043443323 is a wasteful number, since it uses less digits than its factorization.

20023043443323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121504714.

The product of its (nonzero) digits is 124416, while the sum is 33.

Adding to 20023043443323 its reverse (32334434032002), we get a palindrome (52357477475325).

The spelling of 20023043443323 in words is "twenty trillion, twenty-three billion, forty-three million, four hundred forty-three thousand, three hundred twenty-three".