23230237 has 2 divisors, whose sum is σ = 23230238. Its totient is φ = 23230236.

The previous prime is 23230219. The next prime is 23230243. The reversal of 23230237 is 73203232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19766916 + 3463321 = 4446^2 + 1861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23230237 is a prime.

It is a super-2 number, since 2×23230237² = 1079287822152338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23230297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615118 + 11615119.

It is an arithmetic number, because the mean of its divisors is an integer number (11615119).

Almost surely, 2^23230237 is an apocalyptic number.

It is an amenable number.

23230237 is a deficient number, since it is larger than the sum of its proper divisors (1).

23230237 is an equidigital number, since it uses as much as digits as its factorization.

23230237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 23230237 is about 4819.7756171839. The cubic root of 23230237 is about 285.3324815764.

Adding to 23230237 its reverse (73203232), we get a palindrome (96433469).

The spelling of 23230237 in words is "twenty-three million, two hundred thirty thousand, two hundred thirty-seven".