1220453323 has 2 divisors, whose sum is σ = 1220453324. Its totient is φ = 1220453322.

The previous prime is 1220453317. The next prime is 1220453359. The reversal of 1220453323 is 3233540221.

It is a weak prime.

It is an emirp because it is prime and its reverse (3233540221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220453323 - 2¹³ = 1220445131 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220453723) 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, 610226661 + 610226662.

It is an arithmetic number, because the mean of its divisors is an integer number (610226662).

Almost surely, 2^1220453323 is an apocalyptic number.

1220453323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220453323 is an equidigital number, since it uses as much as digits as its factorization.

1220453323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1220453323 is about 34934.9870903082. The cubic root of 1220453323 is about 1068.6620605094.

Adding to 1220453323 its reverse (3233540221), we get a palindrome (4453993544).

The spelling of 1220453323 in words is "one billion, two hundred twenty million, four hundred fifty-three thousand, three hundred twenty-three".