23743243 has 2 divisors, whose sum is σ = 23743244. Its totient is φ = 23743242.

The previous prime is 23743231. The next prime is 23743249. The reversal of 23743243 is 34234732.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23743243 - 2⁵ = 23743211 is a prime.

It is not a weakly prime, because it can be changed into another prime (23743249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11871621 + 11871622.

It is an arithmetic number, because the mean of its divisors is an integer number (11871622).

Almost surely, 2^23743243 is an apocalyptic number.

23743243 is a deficient number, since it is larger than the sum of its proper divisors (1).

23743243 is an equidigital number, since it uses as much as digits as its factorization.

23743243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 28.

The square root of 23743243 is about 4872.7038695164. The cubic root of 23743243 is about 287.4175915037.

Adding to 23743243 its reverse (34234732), we get a palindrome (57977975).

The spelling of 23743243 in words is "twenty-three million, seven hundred forty-three thousand, two hundred forty-three".