23320237 has 2 divisors, whose sum is σ = 23320238. Its totient is φ = 23320236.

The previous prime is 23320181. The next prime is 23320259. The reversal of 23320237 is 73202332.

It is an a-pointer prime, because the next prime (23320259) can be obtained adding 23320237 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13169641 + 10150596 = 3629^2 + 3186^2 .

It is a cyclic number.

It is not a de Polignac number, because 23320237 - 2⁷ = 23320109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23320337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11660118 + 11660119.

It is an arithmetic number, because the mean of its divisors is an integer number (11660119).

Almost surely, 2^23320237 is an apocalyptic number.

It is an amenable number.

23320237 is a deficient number, since it is larger than the sum of its proper divisors (1).

23320237 is an equidigital number, since it uses as much as digits as its factorization.

23320237 is an odious number, because the sum of its binary digits is odd.

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

The square root of 23320237 is about 4829.1031258402. The cubic root of 23320237 is about 285.7004908935.

Adding to 23320237 its reverse (73202332), we get a palindrome (96522569).

The spelling of 23320237 in words is "twenty-three million, three hundred twenty thousand, two hundred thirty-seven".