1046342543 has 4 divisors (see below), whose sum is σ = 1046805960. Its totient is φ = 1045879128.

The previous prime is 1046342513. The next prime is 1046342581. The reversal of 1046342543 is 3452436401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3452436401 = 19 ⋅181707179.

It is a cyclic number.

It is not a de Polignac number, because 1046342543 - 2¹⁶ = 1046277007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046342513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228305 + ... + 232842.

It is an arithmetic number, because the mean of its divisors is an integer number (261701490).

Almost surely, 2^1046342543 is an apocalyptic number.

1046342543 is a deficient number, since it is larger than the sum of its proper divisors (463417).

1046342543 is an equidigital number, since it uses as much as digits as its factorization.

1046342543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463416.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 1046342543 is about 32347.2184739276. The cubic root of 1046342543 is about 1015.2148486764.

Adding to 1046342543 its reverse (3452436401), we get a palindrome (4498778944).

The spelling of 1046342543 in words is "one billion, forty-six million, three hundred forty-two thousand, five hundred forty-three".