1042143123043 has 16 divisors (see below), whose sum is σ = 1157628585312. Its totient is φ = 938022492000.

The previous prime is 1042143123001. The next prime is 1042143123071. The reversal of 1042143123043 is 3403213412401.

It is a happy number.

It is not a de Polignac number, because 1042143123043 - 2¹⁷ = 1042142991971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042143123143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3741696 + ... + 4010557.

It is an arithmetic number, because the mean of its divisors is an integer number (72351786582).

Almost surely, 2^{1042143123043} is an apocalyptic number.

1042143123043 is a deficient number, since it is larger than the sum of its proper divisors (115485462269).

1042143123043 is an equidigital number, since it uses as much as digits as its factorization.

1042143123043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7752387 (or 7752365 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1042143123043 its reverse (3403213412401), we get a palindrome (4445356535444).

The spelling of 1042143123043 in words is "one trillion, forty-two billion, one hundred forty-three million, one hundred twenty-three thousand, forty-three".