403421564345143 has 2 divisors, whose sum is σ = 403421564345144. Its totient is φ = 403421564345142.

The previous prime is 403421564345083. The next prime is 403421564345147. The reversal of 403421564345143 is 341543465124304.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403421564345143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403421564345147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201710782172571 + 201710782172572.

It is an arithmetic number, because the mean of its divisors is an integer number (201710782172572).

Almost surely, 2^{403421564345143} is an apocalyptic number.

403421564345143 is a deficient number, since it is larger than the sum of its proper divisors (1).

403421564345143 is an equidigital number, since it uses as much as digits as its factorization.

403421564345143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8294400, while the sum is 49.

The spelling of 403421564345143 in words is "four hundred three trillion, four hundred twenty-one billion, five hundred sixty-four million, three hundred forty-five thousand, one hundred forty-three".