23541109 has 2 divisors, whose sum is σ = 23541110. Its totient is φ = 23541108.

The previous prime is 23541083. The next prime is 23541143. The reversal of 23541109 is 90114532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19847025 + 3694084 = 4455^2 + 1922^2 .

It is a cyclic number.

It is not a de Polignac number, because 23541109 - 2¹⁵ = 23508341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23541409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11770554 + 11770555.

It is an arithmetic number, because the mean of its divisors is an integer number (11770555).

Almost surely, 2^23541109 is an apocalyptic number.

It is an amenable number.

23541109 is a deficient number, since it is larger than the sum of its proper divisors (1).

23541109 is an equidigital number, since it uses as much as digits as its factorization.

23541109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 23541109 is about 4851.9180743290. The cubic root of 23541109 is about 286.5996392477.

The spelling of 23541109 in words is "twenty-three million, five hundred forty-one thousand, one hundred nine".