20232143605111 has 16 divisors (see below), whose sum is σ = 20899179100800. Its totient is φ = 19576261156608.

The previous prime is 20232143605067. The next prime is 20232143605133. The reversal of 20232143605111 is 11150634123202.

It is a cyclic number.

It is not a de Polignac number, because 20232143605111 - 2²⁷ = 20232009387383 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 (20232143605211) 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, 769045 + ... + 6407473.

It is an arithmetic number, because the mean of its divisors is an integer number (1306198693800).

Almost surely, 2^{20232143605111} is an apocalyptic number.

20232143605111 is a deficient number, since it is larger than the sum of its proper divisors (667035495689).

20232143605111 is an equidigital number, since it uses as much as digits as its factorization.

20232143605111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5639418.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 20232143605111 its reverse (11150634123202), we get a palindrome (31382777728313).

The spelling of 20232143605111 in words is "twenty trillion, two hundred thirty-two billion, one hundred forty-three million, six hundred five thousand, one hundred eleven".