143231014321 has 2 divisors, whose sum is σ = 143231014322. Its totient is φ = 143231014320.

The previous prime is 143231014301. The next prime is 143231014337. The reversal of 143231014321 is 123410132341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142856785296 + 374229025 = 377964^2 + 19345^2 .

It is a cyclic number.

It is not a de Polignac number, because 143231014321 - 2¹⁷ = 143230883249 is a prime.

It is not a weakly prime, because it can be changed into another prime (143231014301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71615507160 + 71615507161.

It is an arithmetic number, because the mean of its divisors is an integer number (71615507161).

Almost surely, 2^143231014321 is an apocalyptic number.

It is an amenable number.

143231014321 is a deficient number, since it is larger than the sum of its proper divisors (1).

143231014321 is an equidigital number, since it uses as much as digits as its factorization.

143231014321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 143231014321 its reverse (123410132341), we get a palindrome (266641146662).

The spelling of 143231014321 in words is "one hundred forty-three billion, two hundred thirty-one million, fourteen thousand, three hundred twenty-one".