143023253221 has 2 divisors, whose sum is σ = 143023253222. Its totient is φ = 143023253220.

The previous prime is 143023253209. The next prime is 143023253237. The reversal of 143023253221 is 122352320341.

It is a happy number.

143023253221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83267450721 + 59755802500 = 288561^2 + 244450^2 .

It is a cyclic number.

It is not a de Polignac number, because 143023253221 - 2¹⁷ = 143023122149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143023253221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143023253621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71511626610 + 71511626611.

It is an arithmetic number, because the mean of its divisors is an integer number (71511626611).

Almost surely, 2^143023253221 is an apocalyptic number.

It is an amenable number.

143023253221 is a deficient number, since it is larger than the sum of its proper divisors (1).

143023253221 is an equidigital number, since it uses as much as digits as its factorization.

143023253221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 143023253221 its reverse (122352320341), we get a palindrome (265375573562).

The spelling of 143023253221 in words is "one hundred forty-three billion, twenty-three million, two hundred fifty-three thousand, two hundred twenty-one".