23945243 has 4 divisors (see below), whose sum is σ = 27366000. Its totient is φ = 20524488.

The previous prime is 23945203. The next prime is 23945249. The reversal of 23945243 is 34254932.

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 23945243 - 2¹² = 23941147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23945249) 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, 1710368 + ... + 1710381.

It is an arithmetic number, because the mean of its divisors is an integer number (6841500).

Almost surely, 2^23945243 is an apocalyptic number.

23945243 is a deficient number, since it is larger than the sum of its proper divisors (3420757).

23945243 is an equidigital number, since it uses as much as digits as its factorization.

23945243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420756.

The product of its digits is 25920, while the sum is 32.

The square root of 23945243 is about 4893.3876813512. The cubic root of 23945243 is about 288.2303768497.

The spelling of 23945243 in words is "twenty-three million, nine hundred forty-five thousand, two hundred forty-three".