401421143143 has 2 divisors, whose sum is σ = 401421143144. Its totient is φ = 401421143142.

The previous prime is 401421143113. The next prime is 401421143159. The reversal of 401421143143 is 341341124104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401421143143 - 2⁵ = 401421143111 is a prime.

It is a super-2 number, since 2×401421143143² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401421143113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200710571571 + 200710571572.

It is an arithmetic number, because the mean of its divisors is an integer number (200710571572).

Almost surely, 2^401421143143 is an apocalyptic number.

401421143143 is a deficient number, since it is larger than the sum of its proper divisors (1).

401421143143 is an equidigital number, since it uses as much as digits as its factorization.

401421143143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 401421143143 its reverse (341341124104), we get a palindrome (742762267247).

The spelling of 401421143143 in words is "four hundred one billion, four hundred twenty-one million, one hundred forty-three thousand, one hundred forty-three".