23180243 has 2 divisors, whose sum is σ = 23180244. Its totient is φ = 23180242.

The previous prime is 23180237. The next prime is 23180257. The reversal of 23180243 is 34208132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23180243 is a prime.

It is not a weakly prime, because it can be changed into another prime (23180203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11590121 + 11590122.

It is an arithmetic number, because the mean of its divisors is an integer number (11590122).

Almost surely, 2^23180243 is an apocalyptic number.

23180243 is a deficient number, since it is larger than the sum of its proper divisors (1).

23180243 is an equidigital number, since it uses as much as digits as its factorization.

23180243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 23180243 is about 4814.5864827626. The cubic root of 23180243 is about 285.1276457045.

Adding to 23180243 its reverse (34208132), we get a palindrome (57388375).

The spelling of 23180243 in words is "twenty-three million, one hundred eighty thousand, two hundred forty-three".