1042343503 has 2 divisors, whose sum is σ = 1042343504. Its totient is φ = 1042343502.

The previous prime is 1042343437. The next prime is 1042343507. The reversal of 1042343503 is 3053432401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042343503 - 2²¹ = 1040246351 is a prime.

It is a super-2 number, since 2×1042343503² = 2172959956492622018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042343507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521171751 + 521171752.

It is an arithmetic number, because the mean of its divisors is an integer number (521171752).

Almost surely, 2^1042343503 is an apocalyptic number.

1042343503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042343503 is an equidigital number, since it uses as much as digits as its factorization.

1042343503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1042343503 is about 32285.3450190640. The cubic root of 1042343503 is about 1013.9198400090.

Adding to 1042343503 its reverse (3053432401), we get a palindrome (4095775904).

The spelling of 1042343503 in words is "one billion, forty-two million, three hundred forty-three thousand, five hundred three".