231232132212143 has 2 divisors, whose sum is σ = 231232132212144. Its totient is φ = 231232132212142.

The previous prime is 231232132212121. The next prime is 231232132212149. The reversal of 231232132212143 is 341212231232132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231232132212143 - 2¹² = 231232132208047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231232132212149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115616066106071 + 115616066106072.

It is an arithmetic number, because the mean of its divisors is an integer number (115616066106072).

Almost surely, 2^{231232132212143} is an apocalyptic number.

231232132212143 is a deficient number, since it is larger than the sum of its proper divisors (1).

231232132212143 is an equidigital number, since it uses as much as digits as its factorization.

231232132212143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 32.

Adding to 231232132212143 its reverse (341212231232132), we get a palindrome (572444363444275).

The spelling of 231232132212143 in words is "two hundred thirty-one trillion, two hundred thirty-two billion, one hundred thirty-two million, two hundred twelve thousand, one hundred forty-three".