23166541 has 2 divisors, whose sum is σ = 23166542. Its totient is φ = 23166540.

The previous prime is 23166503. The next prime is 23166553. The reversal of 23166541 is 14566132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22610025 + 556516 = 4755^2 + 746^2 .

It is a cyclic number.

It is not a de Polignac number, because 23166541 - 2⁹ = 23166029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23166841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11583270 + 11583271.

It is an arithmetic number, because the mean of its divisors is an integer number (11583271).

Almost surely, 2^23166541 is an apocalyptic number.

It is an amenable number.

23166541 is a deficient number, since it is larger than the sum of its proper divisors (1).

23166541 is an equidigital number, since it uses as much as digits as its factorization.

23166541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 23166541 is about 4813.1633049378. The cubic root of 23166541 is about 285.0714543316.

The spelling of 23166541 in words is "twenty-three million, one hundred sixty-six thousand, five hundred forty-one".