1230343220011 has 4 divisors (see below), whose sum is σ = 1230441338224. Its totient is φ = 1230245101800.

The previous prime is 1230343220009. The next prime is 1230343220027. The reversal of 1230343220011 is 1100223430321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1230343220011 - 2¹ = 1230343220009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230343220111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49040295 + ... + 49065376.

It is an arithmetic number, because the mean of its divisors is an integer number (307610334556).

Almost surely, 2^{1230343220011} is an apocalyptic number.

1230343220011 is a deficient number, since it is larger than the sum of its proper divisors (98118213).

1230343220011 is an equidigital number, since it uses as much as digits as its factorization.

1230343220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98118212.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1230343220011 its reverse (1100223430321), we get a palindrome (2330566650332).

The spelling of 1230343220011 in words is "one trillion, two hundred thirty billion, three hundred forty-three million, two hundred twenty thousand, eleven".