23111130401 has 2 divisors, whose sum is σ = 23111130402. Its totient is φ = 23111130400.

The previous prime is 23111130379. The next prime is 23111130461. The reversal of 23111130401 is 10403111132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16835322001 + 6275808400 = 129751^2 + 79220^2 .

It is a cyclic number.

It is not a de Polignac number, because 23111130401 - 2⁶ = 23111130337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23111130401.

It is not a weakly prime, because it can be changed into another prime (23111130461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11555565200 + 11555565201.

It is an arithmetic number, because the mean of its divisors is an integer number (11555565201).

Almost surely, 2^23111130401 is an apocalyptic number.

It is an amenable number.

23111130401 is a deficient number, since it is larger than the sum of its proper divisors (1).

23111130401 is an equidigital number, since it uses as much as digits as its factorization.

23111130401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 23111130401 its reverse (10403111132), we get a palindrome (33514241533).

The spelling of 23111130401 in words is "twenty-three billion, one hundred eleven million, one hundred thirty thousand, four hundred one".