143126363223521 has 2 divisors, whose sum is σ = 143126363223522. Its totient is φ = 143126363223520.

The previous prime is 143126363223469. The next prime is 143126363223533. The reversal of 143126363223521 is 125322363621341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135319709290000 + 7806653933521 = 11632700^2 + 2794039^2 .

It is a cyclic number.

It is not a de Polignac number, because 143126363223521 - 2⁶ = 143126363223457 is a prime.

It is not a weakly prime, because it can be changed into another prime (143126363223541) 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, 71563181611760 + 71563181611761.

It is an arithmetic number, because the mean of its divisors is an integer number (71563181611761).

Almost surely, 2^{143126363223521} is an apocalyptic number.

It is an amenable number.

143126363223521 is a deficient number, since it is larger than the sum of its proper divisors (1).

143126363223521 is an equidigital number, since it uses as much as digits as its factorization.

143126363223521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 44.

The spelling of 143126363223521 in words is "one hundred forty-three trillion, one hundred twenty-six billion, three hundred sixty-three million, two hundred twenty-three thousand, five hundred twenty-one".