1323043103 has 2 divisors, whose sum is σ = 1323043104. Its totient is φ = 1323043102.

The previous prime is 1323043087. The next prime is 1323043109. The reversal of 1323043103 is 3013403231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1323043103 - 2⁴ = 1323043087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323043109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661521551 + 661521552.

It is an arithmetic number, because the mean of its divisors is an integer number (661521552).

Almost surely, 2^1323043103 is an apocalyptic number.

1323043103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323043103 is an equidigital number, since it uses as much as digits as its factorization.

1323043103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1323043103 is about 36373.6594667075. The cubic root of 1323043103 is about 1097.8036348014.

Adding to 1323043103 its reverse (3013403231), we get a palindrome (4336446334).

The spelling of 1323043103 in words is "one billion, three hundred twenty-three million, forty-three thousand, one hundred three".