1042423231343 has 16 divisors (see below), whose sum is σ = 1222442440800. Its totient is φ = 880158545280.

The previous prime is 1042423231331. The next prime is 1042423231363. The reversal of 1042423231343 is 3431323242401.

It is a cyclic number.

It is not a de Polignac number, because 1042423231343 - 2¹⁸ = 1042422969199 is a prime.

It is a super-3 number, since 3×1042423231343³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042423231363) 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, 72757268 + ... + 72771593.

It is an arithmetic number, because the mean of its divisors is an integer number (76402652550).

Almost surely, 2^{1042423231343} is an apocalyptic number.

1042423231343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1042423231343 is a deficient number, since it is larger than the sum of its proper divisors (180019209457).

1042423231343 is a wasteful number, since it uses less digits than its factorization.

1042423231343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145528922.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 1042423231343 its reverse (3431323242401), we get a palindrome (4473746473744).

The spelling of 1042423231343 in words is "one trillion, forty-two billion, four hundred twenty-three million, two hundred thirty-one thousand, three hundred forty-three".