403121996143 has 2 divisors, whose sum is σ = 403121996144. Its totient is φ = 403121996142.

The previous prime is 403121996141. The next prime is 403121996231. The reversal of 403121996143 is 341699121304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 403121996143 - 2¹ = 403121996141 is a prime.

Together with 403121996141, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 403121996143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403121996141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201560998071 + 201560998072.

It is an arithmetic number, because the mean of its divisors is an integer number (201560998072).

Almost surely, 2^403121996143 is an apocalyptic number.

403121996143 is a deficient number, since it is larger than the sum of its proper divisors (1).

403121996143 is an equidigital number, since it uses as much as digits as its factorization.

403121996143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 403121996143 in words is "four hundred three billion, one hundred twenty-one million, nine hundred ninety-six thousand, one hundred forty-three".