230011211231999 has 2 divisors, whose sum is σ = 230011211232000. Its totient is φ = 230011211231998.

The previous prime is 230011211231839. The next prime is 230011211232001. The reversal of 230011211231999 is 999132112110032.

230011211231999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230011211231999 is a prime.

It is a super-2 number, since 2×230011211231999² (a number of 30 digits) contains 22 as substring.

Together with 230011211232001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230011211221999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115005605615999 + 115005605616000.

It is an arithmetic number, because the mean of its divisors is an integer number (115005605616000).

Almost surely, 2^{230011211231999} is an apocalyptic number.

230011211231999 is a deficient number, since it is larger than the sum of its proper divisors (1).

230011211231999 is an equidigital number, since it uses as much as digits as its factorization.

230011211231999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 44.

The spelling of 230011211231999 in words is "two hundred thirty trillion, eleven billion, two hundred eleven million, two hundred thirty-one thousand, nine hundred ninety-nine".