1022420323 has 2 divisors, whose sum is σ = 1022420324. Its totient is φ = 1022420322.

The previous prime is 1022420309. The next prime is 1022420351. The reversal of 1022420323 is 3230242201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022420323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1022420323.

It is not a weakly prime, because it can be changed into another prime (1022420303) 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, 511210161 + 511210162.

It is an arithmetic number, because the mean of its divisors is an integer number (511210162).

Almost surely, 2^1022420323 is an apocalyptic number.

1022420323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022420323 is an equidigital number, since it uses as much as digits as its factorization.

1022420323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1022420323 is about 31975.3080204085. The cubic root of 1022420323 is about 1007.4182741311.

Adding to 1022420323 its reverse (3230242201), we get a palindrome (4252662524).

The spelling of 1022420323 in words is "one billion, twenty-two million, four hundred twenty thousand, three hundred twenty-three".