2023100133181 has 2 divisors, whose sum is σ = 2023100133182. Its totient is φ = 2023100133180.

The previous prime is 2023100133157. The next prime is 2023100133227. The reversal of 2023100133181 is 1813310013202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1782518712100 + 240581421081 = 1335110^2 + 490491^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2023100133181 is a prime.

It is a super-2 number, since 2×2023100133181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2023100133151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011550066590 + 1011550066591.

It is an arithmetic number, because the mean of its divisors is an integer number (1011550066591).

Almost surely, 2^{2023100133181} is an apocalyptic number.

It is an amenable number.

2023100133181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2023100133181 is an equidigital number, since it uses as much as digits as its factorization.

2023100133181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 2023100133181 its reverse (1813310013202), we get a palindrome (3836410146383).

The spelling of 2023100133181 in words is "two trillion, twenty-three billion, one hundred million, one hundred thirty-three thousand, one hundred eighty-one".