23236403 has 2 divisors, whose sum is σ = 23236404. Its totient is φ = 23236402.

The previous prime is 23236393. The next prime is 23236427. The reversal of 23236403 is 30463232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23236403 - 2¹⁴ = 23220019 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23232403) 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, 11618201 + 11618202.

It is an arithmetic number, because the mean of its divisors is an integer number (11618202).

Almost surely, 2^23236403 is an apocalyptic number.

23236403 is a deficient number, since it is larger than the sum of its proper divisors (1).

23236403 is an equidigital number, since it uses as much as digits as its factorization.

23236403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 23236403 is about 4820.4152310771. The cubic root of 23236403 is about 285.3577246026.

Adding to 23236403 its reverse (30463232), we get a palindrome (53699635).

The spelling of 23236403 in words is "twenty-three million, two hundred thirty-six thousand, four hundred three".