2113023541 has 2 divisors, whose sum is σ = 2113023542. Its totient is φ = 2113023540.

The previous prime is 2113023527. The next prime is 2113023571. The reversal of 2113023541 is 1453203112.

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., 1708168900 + 404854641 = 41330^2 + 20121^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113023541 - 2²³ = 2104634933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113023511) 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, 1056511770 + 1056511771.

It is an arithmetic number, because the mean of its divisors is an integer number (1056511771).

Almost surely, 2^2113023541 is an apocalyptic number.

It is an amenable number.

2113023541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113023541 is an equidigital number, since it uses as much as digits as its factorization.

2113023541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2113023541 is about 45967.6357995492. The cubic root of 2113023541 is about 1283.2209613344.

Adding to 2113023541 its reverse (1453203112), we get a palindrome (3566226653).

The spelling of 2113023541 in words is "two billion, one hundred thirteen million, twenty-three thousand, five hundred forty-one".