23893243 has 4 divisors (see below), whose sum is σ = 26065368. Its totient is φ = 21721120.

The previous prime is 23893229. The next prime is 23893253. The reversal of 23893243 is 34239832.

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 23893243 - 2¹⁷ = 23762171 is a prime.

It is a super-2 number, since 2×23893243² = 1141774122114098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23893199 and 23893208.

It is not an unprimeable number, because it can be changed into a prime (23893223) 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, 1086046 + ... + 1086067.

It is an arithmetic number, because the mean of its divisors is an integer number (6516342).

Almost surely, 2^23893243 is an apocalyptic number.

23893243 is a deficient number, since it is larger than the sum of its proper divisors (2172125).

23893243 is a wasteful number, since it uses less digits than its factorization.

23893243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172124.

The product of its digits is 31104, while the sum is 34.

The square root of 23893243 is about 4888.0715011137. The cubic root of 23893243 is about 288.0215832269.

The spelling of 23893243 in words is "twenty-three million, eight hundred ninety-three thousand, two hundred forty-three".