41123009 has 2 divisors, whose sum is σ = 41123010. Its totient is φ = 41123008.

The previous prime is 41122993. The next prime is 41123023. The reversal of 41123009 is 90032114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40704400 + 418609 = 6380^2 + 647^2 .

It is a cyclic number.

It is not a de Polignac number, because 41123009 - 2⁴ = 41122993 is a prime.

It is a super-2 number, since 2×41123009² = 3382203738428162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41123029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20561504 + 20561505.

It is an arithmetic number, because the mean of its divisors is an integer number (20561505).

Almost surely, 2^41123009 is an apocalyptic number.

It is an amenable number.

41123009 is a deficient number, since it is larger than the sum of its proper divisors (1).

41123009 is an equidigital number, since it uses as much as digits as its factorization.

41123009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 41123009 is about 6412.7224327894. The cubic root of 41123009 is about 345.1662266947.

The spelling of 41123009 in words is "forty-one million, one hundred twenty-three thousand, nine".