23642041 has 2 divisors, whose sum is σ = 23642042. Its totient is φ = 23642040.

The previous prime is 23642033. The next prime is 23642051. The reversal of 23642041 is 14024632.

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., 12752041 + 10890000 = 3571^2 + 3300^2 .

It is a cyclic number.

It is not a de Polignac number, because 23642041 - 2³ = 23642033 is a prime.

It is a super-2 number, since 2×23642041² = 1117892205291362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23642011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11821020 + 11821021.

It is an arithmetic number, because the mean of its divisors is an integer number (11821021).

Almost surely, 2^23642041 is an apocalyptic number.

It is an amenable number.

23642041 is a deficient number, since it is larger than the sum of its proper divisors (1).

23642041 is an equidigital number, since it uses as much as digits as its factorization.

23642041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 23642041 is about 4862.3081967313. The cubic root of 23642041 is about 287.0086518615.

Adding to 23642041 its reverse (14024632), we get a palindrome (37666673).

The spelling of 23642041 in words is "twenty-three million, six hundred forty-two thousand, forty-one".