23331103412237 has 2 divisors, whose sum is σ = 23331103412238. Its totient is φ = 23331103412236.

The previous prime is 23331103412219. The next prime is 23331103412261. The reversal of 23331103412237 is 73221430113332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22032640883236 + 1298462529001 = 4693894^2 + 1139501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23331103412237 is a prime.

It is a super-2 number, since 2×23331103412237² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23331103412197 and 23331103412206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23331103412437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11665551706118 + 11665551706119.

It is an arithmetic number, because the mean of its divisors is an integer number (11665551706119).

Almost surely, 2^{23331103412237} is an apocalyptic number.

It is an amenable number.

23331103412237 is a deficient number, since it is larger than the sum of its proper divisors (1).

23331103412237 is an equidigital number, since it uses as much as digits as its factorization.

23331103412237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 35.

Adding to 23331103412237 its reverse (73221430113332), we get a palindrome (96552533525569).

The spelling of 23331103412237 in words is "twenty-three trillion, three hundred thirty-one billion, one hundred three million, four hundred twelve thousand, two hundred thirty-seven".