10023212311909 has 2 divisors, whose sum is σ = 10023212311910. Its totient is φ = 10023212311908.

The previous prime is 10023212311891. The next prime is 10023212312041. The reversal of 10023212311909 is 90911321232001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5382850089409 + 4640362222500 = 2320097^2 + 2154150^2 .

It is a cyclic number.

It is not a de Polignac number, because 10023212311909 - 2¹¹ = 10023212309861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10023212311309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5011606155954 + 5011606155955.

It is an arithmetic number, because the mean of its divisors is an integer number (5011606155955).

Almost surely, 2^{10023212311909} is an apocalyptic number.

It is an amenable number.

10023212311909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10023212311909 is an equidigital number, since it uses as much as digits as its factorization.

10023212311909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 10023212311909 in words is "ten trillion, twenty-three billion, two hundred twelve million, three hundred eleven thousand, nine hundred nine".