1023104321 has 2 divisors, whose sum is σ = 1023104322. Its totient is φ = 1023104320.

The previous prime is 1023104293. The next prime is 1023104347. The reversal of 1023104321 is 1234013201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 798853696 + 224250625 = 28264^2 + 14975^2 .

It is an emirp because it is prime and its reverse (1234013201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1023104321 - 2¹⁴ = 1023087937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1023104321.

It is not a weakly prime, because it can be changed into another prime (1023104351) 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, 511552160 + 511552161.

It is an arithmetic number, because the mean of its divisors is an integer number (511552161).

Almost surely, 2^1023104321 is an apocalyptic number.

It is an amenable number.

1023104321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023104321 is an equidigital number, since it uses as much as digits as its factorization.

1023104321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1023104321 is about 31986.0019539798. The cubic root of 1023104321 is about 1007.6428779343.

Adding to 1023104321 its reverse (1234013201), we get a palindrome (2257117522).

The spelling of 1023104321 in words is "one billion, twenty-three million, one hundred four thousand, three hundred twenty-one".