11934670223897 has 2 divisors, whose sum is σ = 11934670223898. Its totient is φ = 11934670223896.

The previous prime is 11934670223797. The next prime is 11934670223939. The reversal of 11934670223897 is 79832207643911.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11659909744921 + 274760478976 = 3414661^2 + 524176^2 .

It is an emirp because it is prime and its reverse (79832207643911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11934670223897 - 2¹⁴ = 11934670207513 is a prime.

It is not a weakly prime, because it can be changed into another prime (11934670223797) 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, 5967335111948 + 5967335111949.

It is an arithmetic number, because the mean of its divisors is an integer number (5967335111949).

Almost surely, 2^{11934670223897} is an apocalyptic number.

It is an amenable number.

11934670223897 is a deficient number, since it is larger than the sum of its proper divisors (1).

11934670223897 is an equidigital number, since it uses as much as digits as its factorization.

11934670223897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27433728, while the sum is 62.

The spelling of 11934670223897 in words is "eleven trillion, nine hundred thirty-four billion, six hundred seventy million, two hundred twenty-three thousand, eight hundred ninety-seven".