23033643 has 8 divisors (see below), whose sum is σ = 32328000. Its totient is φ = 14547528.

The previous prime is 23033629. The next prime is 23033669. The reversal of 23033643 is 34633032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23033643 - 2¹³ = 23025451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23033683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201993 + ... + 202106.

It is an arithmetic number, because the mean of its divisors is an integer number (4041000).

Almost surely, 2^23033643 is an apocalyptic number.

23033643 is a deficient number, since it is larger than the sum of its proper divisors (9294357).

23033643 is a wasteful number, since it uses less digits than its factorization.

23033643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404121.

The product of its (nonzero) digits is 3888, while the sum is 24.

The square root of 23033643 is about 4799.3377668174. The cubic root of 23033643 is about 284.5252916154.

Adding to 23033643 its reverse (34633032), we get a palindrome (57666675).

The spelling of 23033643 in words is "twenty-three million, thirty-three thousand, six hundred forty-three".