23207641 has 2 divisors, whose sum is σ = 23207642. Its totient is φ = 23207640.

The previous prime is 23207629. The next prime is 23207677. The reversal of 23207641 is 14670232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19891600 + 3316041 = 4460^2 + 1821^2 .

It is a cyclic number.

It is not a de Polignac number, because 23207641 - 2¹⁷ = 23076569 is a prime.

It is not a weakly prime, because it can be changed into another prime (23207141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11603820 + 11603821.

It is an arithmetic number, because the mean of its divisors is an integer number (11603821).

Almost surely, 2^23207641 is an apocalyptic number.

It is an amenable number.

23207641 is a deficient number, since it is larger than the sum of its proper divisors (1).

23207641 is an equidigital number, since it uses as much as digits as its factorization.

23207641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 23207641 is about 4817.4309543573. The cubic root of 23207641 is about 285.2399374735.

Adding to 23207641 its reverse (14670232), we get a palindrome (37877873).

The spelling of 23207641 in words is "twenty-three million, two hundred seven thousand, six hundred forty-one".