1343223001 has 2 divisors, whose sum is σ = 1343223002. Its totient is φ = 1343223000.

The previous prime is 1343222999. The next prime is 1343223019. The reversal of 1343223001 is 1003223431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 903062601 + 440160400 = 30051^2 + 20980^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343223001 - 2¹ = 1343222999 is a prime.

Together with 1343222999, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1343223001.

It is not a weakly prime, because it can be changed into another prime (1343223061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671611500 + 671611501.

It is an arithmetic number, because the mean of its divisors is an integer number (671611501).

Almost surely, 2^1343223001 is an apocalyptic number.

It is an amenable number.

1343223001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343223001 is an equidigital number, since it uses as much as digits as its factorization.

1343223001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1343223001 is about 36650.0068349243. The cubic root of 1343223001 is about 1103.3569627584.

Adding to 1343223001 its reverse (1003223431), we get a palindrome (2346446432).

The spelling of 1343223001 in words is "one billion, three hundred forty-three million, two hundred twenty-three thousand, one".