23935231 has 4 divisors (see below), whose sum is σ = 25195000. Its totient is φ = 22675464.

The previous prime is 23935229. The next prime is 23935253. The reversal of 23935231 is 13253932.

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

It is a cyclic number.

It is not a de Polignac number, because 23935231 - 2¹ = 23935229 is a prime.

It is a super-2 number, since 2×23935231² = 1145790566046722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23935231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23935271) 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 3 ways as a sum of consecutive naturals, for example, 629856 + ... + 629893.

It is an arithmetic number, because the mean of its divisors is an integer number (6298750).

Almost surely, 2^23935231 is an apocalyptic number.

23935231 is a deficient number, since it is larger than the sum of its proper divisors (1259769).

23935231 is a wasteful number, since it uses less digits than its factorization.

23935231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259768.

The product of its digits is 4860, while the sum is 28.

The square root of 23935231 is about 4892.3645612321. The cubic root of 23935231 is about 288.1901995610.

The spelling of 23935231 in words is "twenty-three million, nine hundred thirty-five thousand, two hundred thirty-one".