1023321349 has 2 divisors, whose sum is σ = 1023321350. Its totient is φ = 1023321348.

The previous prime is 1023321317. The next prime is 1023321379. The reversal of 1023321349 is 9431233201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 642369025 + 380952324 = 25345^2 + 19518^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023321349 - 2⁵ = 1023321317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023321379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511660674 + 511660675.

It is an arithmetic number, because the mean of its divisors is an integer number (511660675).

Almost surely, 2^1023321349 is an apocalyptic number.

It is an amenable number.

1023321349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023321349 is an equidigital number, since it uses as much as digits as its factorization.

1023321349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1023321349 is about 31989.3943206182. The cubic root of 1023321349 is about 1007.7141223006.

The spelling of 1023321349 in words is "one billion, twenty-three million, three hundred twenty-one thousand, three hundred forty-nine".