401233442143 has 4 divisors (see below), whose sum is σ = 401289029560. Its totient is φ = 401177854728.

The previous prime is 401233442119. The next prime is 401233442167. The reversal of 401233442143 is 341244332104.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (401233442119) and next prime (401233442167).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401233442143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401233412143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27782880 + ... + 27797317.

It is an arithmetic number, because the mean of its divisors is an integer number (100322257390).

Almost surely, 2^401233442143 is an apocalyptic number.

401233442143 is a deficient number, since it is larger than the sum of its proper divisors (55587417).

401233442143 is an equidigital number, since it uses as much as digits as its factorization.

401233442143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55587416.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 401233442143 its reverse (341244332104), we get a palindrome (742477774247).

The spelling of 401233442143 in words is "four hundred one billion, two hundred thirty-three million, four hundred forty-two thousand, one hundred forty-three".