22431000143 has 2 divisors, whose sum is σ = 22431000144. Its totient is φ = 22431000142.

The previous prime is 22431000133. The next prime is 22431000161. The reversal of 22431000143 is 34100013422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22431000143 - 2¹⁴ = 22430983759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22431000133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11215500071 + 11215500072.

It is an arithmetic number, because the mean of its divisors is an integer number (11215500072).

Almost surely, 2^22431000143 is an apocalyptic number.

22431000143 is a deficient number, since it is larger than the sum of its proper divisors (1).

22431000143 is an equidigital number, since it uses as much as digits as its factorization.

22431000143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22431000143 its reverse (34100013422), we get a palindrome (56531013565).

The spelling of 22431000143 in words is "twenty-two billion, four hundred thirty-one million, one hundred forty-three", and thus it is an aban number.