23697433 has 2 divisors, whose sum is σ = 23697434. Its totient is φ = 23697432.

The previous prime is 23697403. The next prime is 23697451. The reversal of 23697433 is 33479632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23697424 + 9 = 4868^2 + 3^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23697433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23697392 and 23697401.

It is not a weakly prime, because it can be changed into another prime (23697403) 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, 11848716 + 11848717.

It is an arithmetic number, because the mean of its divisors is an integer number (11848717).

Almost surely, 2^23697433 is an apocalyptic number.

It is an amenable number.

23697433 is a deficient number, since it is larger than the sum of its proper divisors (1).

23697433 is an equidigital number, since it uses as much as digits as its factorization.

23697433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 37.

The square root of 23697433 is about 4868.0009244042. Note that the first 3 decimals coincide. The cubic root of 23697433 is about 287.2326255214.

The spelling of 23697433 in words is "twenty-three million, six hundred ninety-seven thousand, four hundred thirty-three".