1230404311393 has 2 divisors, whose sum is σ = 1230404311394. Its totient is φ = 1230404311392.

The previous prime is 1230404311361. The next prime is 1230404311427. The reversal of 1230404311393 is 3931134040321.

It is an a-pointer prime, because the next prime (1230404311427) can be obtained adding 1230404311393 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1156448596689 + 73955714704 = 1075383^2 + 271948^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230404311393 - 2⁵ = 1230404311361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230404311693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615202155696 + 615202155697.

It is an arithmetic number, because the mean of its divisors is an integer number (615202155697).

Almost surely, 2^{1230404311393} is an apocalyptic number.

It is an amenable number.

1230404311393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230404311393 is an equidigital number, since it uses as much as digits as its factorization.

1230404311393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 1230404311393 in words is "one trillion, two hundred thirty billion, four hundred four million, three hundred eleven thousand, three hundred ninety-three".