1210423403311 has 2 divisors, whose sum is σ = 1210423403312. Its totient is φ = 1210423403310.

The previous prime is 1210423403291. The next prime is 1210423403327. The reversal of 1210423403311 is 1133043240121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1210423403311 - 2⁷ = 1210423403183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210423401311) 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 as a sum of consecutive naturals, namely, 605211701655 + 605211701656.

It is an arithmetic number, because the mean of its divisors is an integer number (605211701656).

Almost surely, 2^{1210423403311} is an apocalyptic number.

1210423403311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210423403311 is an equidigital number, since it uses as much as digits as its factorization.

1210423403311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1210423403311 its reverse (1133043240121), we get a palindrome (2343466643432).

The spelling of 1210423403311 in words is "one trillion, two hundred ten billion, four hundred twenty-three million, four hundred three thousand, three hundred eleven".