1420203353 has 2 divisors, whose sum is σ = 1420203354. Its totient is φ = 1420203352.

The previous prime is 1420203329. The next prime is 1420203359. The reversal of 1420203353 is 3533020241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1342269769 + 77933584 = 36637^2 + 8828^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420203353 - 2¹² = 1420199257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1420203359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710101676 + 710101677.

It is an arithmetic number, because the mean of its divisors is an integer number (710101677).

Almost surely, 2^1420203353 is an apocalyptic number.

It is an amenable number.

1420203353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420203353 is an equidigital number, since it uses as much as digits as its factorization.

1420203353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 1420203353 is about 37685.5854803929. The cubic root of 1420203353 is about 1124.0445162585.

Adding to 1420203353 its reverse (3533020241), we get a palindrome (4953223594).

The spelling of 1420203353 in words is "one billion, four hundred twenty million, two hundred three thousand, three hundred fifty-three".