1142403343 has 2 divisors, whose sum is σ = 1142403344. Its totient is φ = 1142403342.

The previous prime is 1142403341. The next prime is 1142403373. The reversal of 1142403343 is 3433042411.

It is a weak prime.

It is an emirp because it is prime and its reverse (3433042411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1142403343 - 2¹ = 1142403341 is a prime.

Together with 1142403341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142403341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571201671 + 571201672.

It is an arithmetic number, because the mean of its divisors is an integer number (571201672).

Almost surely, 2^1142403343 is an apocalyptic number.

1142403343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142403343 is an equidigital number, since it uses as much as digits as its factorization.

1142403343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1142403343 is about 33799.4577323365. The cubic root of 1142403343 is about 1045.3775161286.

Adding to 1142403343 its reverse (3433042411), we get a palindrome (4575445754).

The spelling of 1142403343 in words is "one billion, one hundred forty-two million, four hundred three thousand, three hundred forty-three".