1042403343 has 4 divisors (see below), whose sum is σ = 1389871128. Its totient is φ = 694935560.

The previous prime is 1042403273. The next prime is 1042403359. The reversal of 1042403343 is 3433042401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3433042401 = 3 ⋅1144347467.

It is a cyclic number.

It is not a de Polignac number, because 1042403343 - 2¹² = 1042399247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042403443) 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, 173733888 + ... + 173733893.

It is an arithmetic number, because the mean of its divisors is an integer number (347467782).

Almost surely, 2^1042403343 is an apocalyptic number.

1042403343 is a deficient number, since it is larger than the sum of its proper divisors (347467785).

1042403343 is an equidigital number, since it uses as much as digits as its factorization.

1042403343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347467784.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1042403343 is about 32286.2717420268. The cubic root of 1042403343 is about 1013.9392423788.

Adding to 1042403343 its reverse (3433042401), we get a palindrome (4475445744).

The spelling of 1042403343 in words is "one billion, forty-two million, four hundred three thousand, three hundred forty-three".