42331432143443 has 6 divisors (see below), whose sum is σ = 42936046930212. Its totient is φ = 41735214784340.

The previous prime is 42331432143437. The next prime is 42331432143499. The reversal of 42331432143443 is 34434123413324.

It is not a de Polignac number, because 42331432143443 - 2⁶ = 42331432143379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42331432143443.

It is not an unprimeable number, because it can be changed into a prime (42331432143043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4198708721 + ... + 4198718802.

It is an arithmetic number, because the mean of its divisors is an integer number (7156007821702).

Almost surely, 2^{42331432143443} is an apocalyptic number.

42331432143443 is a deficient number, since it is larger than the sum of its proper divisors (604614786769).

42331432143443 is an frugal number, since it uses more digits than its factorization.

42331432143443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8397427665 (or 8397427594 counting only the distinct ones).

The product of its digits is 995328, while the sum is 41.

Adding to 42331432143443 its reverse (34434123413324), we get a palindrome (76765555556767).

The spelling of 42331432143443 in words is "forty-two trillion, three hundred thirty-one billion, four hundred thirty-two million, one hundred forty-three thousand, four hundred forty-three".