23748813 has 48 divisors (see below), whose sum is σ = 40300416. Its totient is φ = 13317120.

The previous prime is 23748797. The next prime is 23748817. The reversal of 23748813 is 31884732.

It is not a de Polignac number, because 23748813 - 2⁴ = 23748797 is a prime.

It is a super-2 number, since 2×23748813² = 1128012237817938, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23748817) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 173281 + ... + 173417.

It is an arithmetic number, because the mean of its divisors is an integer number (839592).

Almost surely, 2^23748813 is an apocalyptic number.

It is an amenable number.

23748813 is a deficient number, since it is larger than the sum of its proper divisors (16551603).

23748813 is a wasteful number, since it uses less digits than its factorization.

23748813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 271 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 23748813 is about 4873.2753872524. The cubic root of 23748813 is about 287.4400651371.

The spelling of 23748813 in words is "twenty-three million, seven hundred forty-eight thousand, eight hundred thirteen".