2023131110261 has 2 divisors, whose sum is σ = 2023131110262. Its totient is φ = 2023131110260.

The previous prime is 2023131110197. The next prime is 2023131110263. The reversal of 2023131110261 is 1620111313202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1982128910161 + 41002200100 = 1407881^2 + 202490^2 .

It is a cyclic number.

It is not a de Polignac number, because 2023131110261 - 2⁶ = 2023131110197 is a prime.

Together with 2023131110263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2023131110263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011565555130 + 1011565555131.

It is an arithmetic number, because the mean of its divisors is an integer number (1011565555131).

Almost surely, 2^{2023131110261} is an apocalyptic number.

It is an amenable number.

2023131110261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2023131110261 is an equidigital number, since it uses as much as digits as its factorization.

2023131110261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 2023131110261 its reverse (1620111313202), we get a palindrome (3643242423463).

The spelling of 2023131110261 in words is "two trillion, twenty-three billion, one hundred thirty-one million, one hundred ten thousand, two hundred sixty-one".