23666041 has 4 divisors (see below), whose sum is σ = 27046912. Its totient is φ = 20285172.

The previous prime is 23666033. The next prime is 23666063. The reversal of 23666041 is 14066632.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23666041 - 2³ = 23666033 is a prime.

It is a super-2 number, since 2×23666041² = 1120162993227362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23661041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690425 + ... + 1690438.

It is an arithmetic number, because the mean of its divisors is an integer number (6761728).

Almost surely, 2^23666041 is an apocalyptic number.

It is an amenable number.

23666041 is a deficient number, since it is larger than the sum of its proper divisors (3380871).

23666041 is an equidigital number, since it uses as much as digits as its factorization.

23666041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380870.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 23666041 is about 4864.7755343901. The cubic root of 23666041 is about 287.1057370797.

The spelling of 23666041 in words is "twenty-three million, six hundred sixty-six thousand, forty-one".