401046143 has 2 divisors, whose sum is σ = 401046144. Its totient is φ = 401046142.

The previous prime is 401046109. The next prime is 401046169. The reversal of 401046143 is 341640104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401046143 - 2¹⁰ = 401045119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401046343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200523071 + 200523072.

It is an arithmetic number, because the mean of its divisors is an integer number (200523072).

Almost surely, 2^401046143 is an apocalyptic number.

401046143 is a deficient number, since it is larger than the sum of its proper divisors (1).

401046143 is an equidigital number, since it uses as much as digits as its factorization.

401046143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 401046143 is about 20026.1364970880. The cubic root of 401046143 is about 737.4480778538.

Adding to 401046143 its reverse (341640104), we get a palindrome (742686247).

The spelling of 401046143 in words is "four hundred one million, forty-six thousand, one hundred forty-three".