23933689 has 8 divisors (see below), whose sum is σ = 25832520. Its totient is φ = 22043136.

The previous prime is 23933647. The next prime is 23933717. The reversal of 23933689 is 98633932.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2025 + 23931664 = 45^2 + 4892^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23933689 - 2²¹ = 21836537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23933629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4809 + ... + 8425.

It is an arithmetic number, because the mean of its divisors is an integer number (3229065).

Almost surely, 2^23933689 is an apocalyptic number.

It is an amenable number.

23933689 is a deficient number, since it is larger than the sum of its proper divisors (1898831).

23933689 is a wasteful number, since it uses less digits than its factorization.

23933689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4139.

The product of its digits is 209952, while the sum is 43.

The square root of 23933689 is about 4892.2069661861. The cubic root of 23933689 is about 288.1840106530.

The spelling of 23933689 in words is "twenty-three million, nine hundred thirty-three thousand, six hundred eighty-nine".