23755493 has 4 divisors (see below), whose sum is σ = 23798700. Its totient is φ = 23712288.

The previous prime is 23755469. The next prime is 23755507. The reversal of 23755493 is 39455732.

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 7579009 + 16176484 = 2753^2 + 4022^2 .

It is a cyclic number.

It is not a de Polignac number, because 23755493 - 2⁶ = 23755429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23755463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20768 + ... + 21881.

It is an arithmetic number, because the mean of its divisors is an integer number (5949675).

Almost surely, 2^23755493 is an apocalyptic number.

It is an amenable number.

23755493 is a deficient number, since it is larger than the sum of its proper divisors (43207).

23755493 is an equidigital number, since it uses as much as digits as its factorization.

23755493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43206.

The product of its digits is 113400, while the sum is 38.

The square root of 23755493 is about 4873.9607097308. The cubic root of 23755493 is about 287.4670127244.

The spelling of 23755493 in words is "twenty-three million, seven hundred fifty-five thousand, four hundred ninety-three".