1023214321 has 2 divisors, whose sum is σ = 1023214322. Its totient is φ = 1023214320.

The previous prime is 1023214273. The next prime is 1023214333. The reversal of 1023214321 is 1234123201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 957036096 + 66178225 = 30936^2 + 8135^2 .

It is an emirp because it is prime and its reverse (1234123201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1023214321 - 2⁷ = 1023214193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023215321) 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, 511607160 + 511607161.

It is an arithmetic number, because the mean of its divisors is an integer number (511607161).

Almost surely, 2^1023214321 is an apocalyptic number.

It is an amenable number.

1023214321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023214321 is an equidigital number, since it uses as much as digits as its factorization.

1023214321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1023214321 is about 31987.7214099410. The cubic root of 1023214321 is about 1007.6789891897.

Adding to 1023214321 its reverse (1234123201), we get a palindrome (2257337522).

The spelling of 1023214321 in words is "one billion, twenty-three million, two hundred fourteen thousand, three hundred twenty-one".