23697953 has 2 divisors, whose sum is σ = 23697954. Its totient is φ = 23697952.

The previous prime is 23697937. The next prime is 23697977. The reversal of 23697953 is 35979632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23697424 + 529 = 4868^2 + 23^2 .

It is a cyclic number.

It is not a de Polignac number, because 23697953 - 2⁴ = 23697937 is a prime.

It is not a weakly prime, because it can be changed into another prime (23697253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11848976 + 11848977.

It is an arithmetic number, because the mean of its divisors is an integer number (11848977).

Almost surely, 2^23697953 is an apocalyptic number.

It is an amenable number.

23697953 is a deficient number, since it is larger than the sum of its proper divisors (1).

23697953 is an equidigital number, since it uses as much as digits as its factorization.

23697953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 44.

The square root of 23697953 is about 4868.0543341257. The cubic root of 23697953 is about 287.2347264504.

It can be divided in two parts, 236 and 97953, that added together give a palindrome (98189).

The spelling of 23697953 in words is "twenty-three million, six hundred ninety-seven thousand, nine hundred fifty-three".