23204240237 has 2 divisors, whose sum is σ = 23204240238. Its totient is φ = 23204240236.

The previous prime is 23204240221. The next prime is 23204240243. The reversal of 23204240237 is 73204240232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15522418921 + 7681821316 = 124589^2 + 87646^2 .

It is a cyclic number.

It is not a de Polignac number, because 23204240237 - 2⁴ = 23204240221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23204245237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11602120118 + 11602120119.

It is an arithmetic number, because the mean of its divisors is an integer number (11602120119).

Almost surely, 2^23204240237 is an apocalyptic number.

It is an amenable number.

23204240237 is a deficient number, since it is larger than the sum of its proper divisors (1).

23204240237 is an equidigital number, since it uses as much as digits as its factorization.

23204240237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 29.

Adding to 23204240237 its reverse (73204240232), we get a palindrome (96408480469).

The spelling of 23204240237 in words is "twenty-three billion, two hundred four million, two hundred forty thousand, two hundred thirty-seven".