23120203130111 has 2 divisors, whose sum is σ = 23120203130112. Its totient is φ = 23120203130110.

The previous prime is 23120203129981. The next prime is 23120203130201. The reversal of 23120203130111 is 11103130202132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23120203130111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23120203130611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560101565055 + 11560101565056.

It is an arithmetic number, because the mean of its divisors is an integer number (11560101565056).

Almost surely, 2^{23120203130111} is an apocalyptic number.

23120203130111 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120203130111 is an equidigital number, since it uses as much as digits as its factorization.

23120203130111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 23120203130111 its reverse (11103130202132), we get a palindrome (34223333332243).

The spelling of 23120203130111 in words is "twenty-three trillion, one hundred twenty billion, two hundred three million, one hundred thirty thousand, one hundred eleven".