23748513 has 16 divisors (see below), whose sum is σ = 32583936. Its totient is φ = 15377040.

The previous prime is 23748497. The next prime is 23748521. The reversal of 23748513 is 31584732.

It is not a de Polignac number, because 23748513 - 2⁴ = 23748497 is a prime.

It is a super-2 number, since 2×23748513² = 1127983739422338, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23748523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28878 + ... + 29688.

It is an arithmetic number, because the mean of its divisors is an integer number (2036496).

Almost surely, 2^23748513 is an apocalyptic number.

It is an amenable number.

23748513 is a deficient number, since it is larger than the sum of its proper divisors (8835423).

23748513 is a wasteful number, since it uses less digits than its factorization.

23748513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084.

The product of its digits is 20160, while the sum is 33.

The square root of 23748513 is about 4873.2446070354. The cubic root of 23748513 is about 287.4388547975.

The spelling of 23748513 in words is "twenty-three million, seven hundred forty-eight thousand, five hundred thirteen".