1320233203 has 2 divisors, whose sum is σ = 1320233204. Its totient is φ = 1320233202.

The previous prime is 1320233197. The next prime is 1320233219. The reversal of 1320233203 is 3023320231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1320233203 - 2¹⁷ = 1320102131 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320233273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660116601 + 660116602.

It is an arithmetic number, because the mean of its divisors is an integer number (660116602).

Almost surely, 2^1320233203 is an apocalyptic number.

1320233203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320233203 is an equidigital number, since it uses as much as digits as its factorization.

1320233203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 1320233203 is about 36335.0134580958. The cubic root of 1320233203 is about 1097.0259063464.

Adding to 1320233203 its reverse (3023320231), we get a palindrome (4343553434).

The spelling of 1320233203 in words is "one billion, three hundred twenty million, two hundred thirty-three thousand, two hundred three".