23697403 has 2 divisors, whose sum is σ = 23697404. Its totient is φ = 23697402.

The previous prime is 23697347. The next prime is 23697433. The reversal of 23697403 is 30479632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23697403 - 2¹⁷ = 23566331 is a prime.

It is not a weakly prime, because it can be changed into another prime (23697433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11848701 + 11848702.

It is an arithmetic number, because the mean of its divisors is an integer number (11848702).

Almost surely, 2^23697403 is an apocalyptic number.

23697403 is a deficient number, since it is larger than the sum of its proper divisors (1).

23697403 is an equidigital number, since it uses as much as digits as its factorization.

23697403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 23697403 is about 4867.9978430562. The cubic root of 23697403 is about 287.2325043130.

The spelling of 23697403 in words is "twenty-three million, six hundred ninety-seven thousand, four hundred three".