143323621387 has 2 divisors, whose sum is σ = 143323621388. Its totient is φ = 143323621386.

The previous prime is 143323621361. The next prime is 143323621417. The reversal of 143323621387 is 783126323341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143323621387 - 2³⁵ = 108963883019 is a prime.

It is not a weakly prime, because it can be changed into another prime (143323621087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71661810693 + 71661810694.

It is an arithmetic number, because the mean of its divisors is an integer number (71661810694).

Almost surely, 2^143323621387 is an apocalyptic number.

143323621387 is a deficient number, since it is larger than the sum of its proper divisors (1).

143323621387 is an equidigital number, since it uses as much as digits as its factorization.

143323621387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 43.

The spelling of 143323621387 in words is "one hundred forty-three billion, three hundred twenty-three million, six hundred twenty-one thousand, three hundred eighty-seven".