4012443023431 has 8 divisors (see below), whose sum is σ = 4196434429440. Its totient is φ = 3829246397592.

The previous prime is 4012443023429. The next prime is 4012443023437. The reversal of 4012443023431 is 1343203442104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4012443023431 - 2¹ = 4012443023429 is a prime.

It is a super-2 number, since 2×4012443023431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4012443023393 and 4012443023402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012443023437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198684715 + ... + 198704908.

It is an arithmetic number, because the mean of its divisors is an integer number (524554303680).

Almost surely, 2^{4012443023431} is an apocalyptic number.

4012443023431 is a deficient number, since it is larger than the sum of its proper divisors (183991406009).

4012443023431 is a wasteful number, since it uses less digits than its factorization.

4012443023431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397390085.

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

Adding to 4012443023431 its reverse (1343203442104), we get a palindrome (5355646465535).

The spelling of 4012443023431 in words is "four trillion, twelve billion, four hundred forty-three million, twenty-three thousand, four hundred thirty-one".