1203598923353 has 2 divisors, whose sum is σ = 1203598923354. Its totient is φ = 1203598923352.

The previous prime is 1203598923349. The next prime is 1203598923367. The reversal of 1203598923353 is 3533298953021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1183456785424 + 20142137929 = 1087868^2 + 141923^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203598923353 - 2² = 1203598923349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1203598923295 and 1203598923304.

It is not a weakly prime, because it can be changed into another prime (1203598923053) 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, 601799461676 + 601799461677.

It is an arithmetic number, because the mean of its divisors is an integer number (601799461677).

Almost surely, 2^{1203598923353} is an apocalyptic number.

It is an amenable number.

1203598923353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203598923353 is an equidigital number, since it uses as much as digits as its factorization.

1203598923353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5248800, while the sum is 53.

The spelling of 1203598923353 in words is "one trillion, two hundred three billion, five hundred ninety-eight million, nine hundred twenty-three thousand, three hundred fifty-three".