23042243 has 4 divisors (see below), whose sum is σ = 26334000. Its totient is φ = 19750488.

The previous prime is 23042237. The next prime is 23042249. The reversal of 23042243 is 34224032.

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

It is an interprime number because it is at equal distance from previous prime (23042237) and next prime (23042249).

It is a cyclic number.

It is not a de Polignac number, because 23042243 - 2⁶ = 23042179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23042249) 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, 1645868 + ... + 1645881.

It is an arithmetic number, because the mean of its divisors is an integer number (6583500).

Almost surely, 2^23042243 is an apocalyptic number.

23042243 is a deficient number, since it is larger than the sum of its proper divisors (3291757).

23042243 is an equidigital number, since it uses as much as digits as its factorization.

23042243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291756.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 23042243 is about 4800.2336401471. The cubic root of 23042243 is about 284.5606979851.

Adding to 23042243 its reverse (34224032), we get a palindrome (57266275).

The spelling of 23042243 in words is "twenty-three million, forty-two thousand, two hundred forty-three".