23101431111553 has 2 divisors, whose sum is σ = 23101431111554. Its totient is φ = 23101431111552.

The previous prime is 23101431111529. The next prime is 23101431111557. The reversal of 23101431111553 is 35511113410132.

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., 16957536910209 + 6143894201344 = 4117953^2 + 2478688^2 .

It is a cyclic number.

It is not a de Polignac number, because 23101431111553 - 2⁹ = 23101431111041 is a prime.

It is a super-2 number, since 2×23101431111553² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23101431111557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11550715555776 + 11550715555777.

It is an arithmetic number, because the mean of its divisors is an integer number (11550715555777).

Almost surely, 2^{23101431111553} is an apocalyptic number.

It is an amenable number.

23101431111553 is a deficient number, since it is larger than the sum of its proper divisors (1).

23101431111553 is an equidigital number, since it uses as much as digits as its factorization.

23101431111553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 23101431111553 its reverse (35511113410132), we get a palindrome (58612544521685).

The spelling of 23101431111553 in words is "twenty-three trillion, one hundred one billion, four hundred thirty-one million, one hundred eleven thousand, five hundred fifty-three".