1203234230509 has 2 divisors, whose sum is σ = 1203234230510. Its totient is φ = 1203234230508.

The previous prime is 1203234230489. The next prime is 1203234230579. The reversal of 1203234230509 is 9050324323021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1197389628009 + 5844602500 = 1094253^2 + 76450^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203234230509 - 2⁵ = 1203234230477 is a prime.

It is a super-2 number, since 2×1203234230509² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203234230579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601617115254 + 601617115255.

It is an arithmetic number, because the mean of its divisors is an integer number (601617115255).

Almost surely, 2^{1203234230509} is an apocalyptic number.

It is an amenable number.

1203234230509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203234230509 is an equidigital number, since it uses as much as digits as its factorization.

1203234230509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 1203234230509 in words is "one trillion, two hundred three billion, two hundred thirty-four million, two hundred thirty thousand, five hundred nine".