23993033 has 4 divisors (see below), whose sum is σ = 24053268. Its totient is φ = 23932800.

The previous prime is 23993027. The next prime is 23993041. The reversal of 23993033 is 33039932.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23348224 + 644809 = 4832^2 + 803^2 .

It is a cyclic number.

It is not a de Polignac number, because 23993033 - 2¹⁰ = 23992009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23993003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29516 + ... + 30317.

It is an arithmetic number, because the mean of its divisors is an integer number (6013317).

Almost surely, 2^23993033 is an apocalyptic number.

It is an amenable number.

23993033 is a deficient number, since it is larger than the sum of its proper divisors (60235).

23993033 is an equidigital number, since it uses as much as digits as its factorization.

23993033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60234.

The product of its (nonzero) digits is 13122, while the sum is 32.

The square root of 23993033 is about 4898.2683674948. The cubic root of 23993033 is about 288.4219998248.

The spelling of 23993033 in words is "twenty-three million, nine hundred ninety-three thousand, thirty-three".