23642033 has 2 divisors, whose sum is σ = 23642034.
Its totient is φ = 23642032.
The previous prime is 23642029. The next prime is 23642041. The reversal of 23642033 is 33024632.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 22733824 + 908209 = 4768^2 + 953^2
It is a cyclic number.
It is not a de Polignac number, because 23642033 - 22 = 23642029 is a prime.
It is not a weakly prime, because it can be changed into another prime (23642063) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11821016 + 11821017.
It is an arithmetic number, because the mean of its divisors is an integer number (11821017).
Almost surely, 223642033 is an apocalyptic number.
It is an amenable number.
23642033 is a deficient number, since it is larger than the sum of its proper divisors (1).
23642033 is an equidigital number, since it uses as much as digits as its factorization.
23642033 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2592, while the sum is 23.
The square root of 23642033 is about 4862.3073740766.
The cubic root of 23642033 is about 287.0086194888.
Adding to 23642033 its reverse (33024632), we get a palindrome (56666665).
The spelling of 23642033 in words is "twenty-three million, six hundred forty-two thousand, thirty-three".