1200342343 has 2 divisors, whose sum is σ = 1200342344. Its totient is φ = 1200342342.

The previous prime is 1200342313. The next prime is 1200342359. The reversal of 1200342343 is 3432430021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200342343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200342313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600171171 + 600171172.

It is an arithmetic number, because the mean of its divisors is an integer number (600171172).

Almost surely, 2^1200342343 is an apocalyptic number.

1200342343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200342343 is an equidigital number, since it uses as much as digits as its factorization.

1200342343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1200342343 is about 34645.9570945875. The cubic root of 1200342343 is about 1062.7596133862.

Adding to 1200342343 its reverse (3432430021), we get a palindrome (4632772364).

The spelling of 1200342343 in words is "one billion, two hundred million, three hundred forty-two thousand, three hundred forty-three".