143423444031 has 16 divisors (see below), whose sum is σ = 218560243968. Its totient is φ = 81952416000.

The previous prime is 143423444027. The next prime is 143423444053. The reversal of 143423444031 is 130444324341.

It is not a de Polignac number, because 143423444031 - 2² = 143423444027 is a prime.

It is a super-2 number, since 2×143423444031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143423443983 and 143423444001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143423444011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334831 + ... + 631631.

It is an arithmetic number, because the mean of its divisors is an integer number (13660015248).

Almost surely, 2^143423444031 is an apocalyptic number.

143423444031 is a deficient number, since it is larger than the sum of its proper divisors (75136799937).

143423444031 is a wasteful number, since it uses less digits than its factorization.

143423444031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319822.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 143423444031 its reverse (130444324341), we get a palindrome (273867768372).

The spelling of 143423444031 in words is "one hundred forty-three billion, four hundred twenty-three million, four hundred forty-four thousand, thirty-one".