1202021323 has 2 divisors, whose sum is σ = 1202021324. Its totient is φ = 1202021322.

The previous prime is 1202021321. The next prime is 1202021333. The reversal of 1202021323 is 3231202021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202021323 - 2¹ = 1202021321 is a prime.

Together with 1202021321, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1202021297 and 1202021306.

It is not a weakly prime, because it can be changed into another prime (1202021321) 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, 601010661 + 601010662.

It is an arithmetic number, because the mean of its divisors is an integer number (601010662).

Almost surely, 2^1202021323 is an apocalyptic number.

1202021323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202021323 is an equidigital number, since it uses as much as digits as its factorization.

1202021323 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 16.

The square root of 1202021323 is about 34670.1791601947. The cubic root of 1202021323 is about 1063.2548945414.

Adding to 1202021323 its reverse (3231202021), we get a palindrome (4433223344).

The spelling of 1202021323 in words is "one billion, two hundred two million, twenty-one thousand, three hundred twenty-three".