23642303 has 8 divisors (see below), whose sum is σ = 24604800. Its totient is φ = 22698648.

The previous prime is 23642299. The next prime is 23642309. The reversal of 23642303 is 30324632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23642303 - 2² = 23642299 is a prime.

It is a super-2 number, since 2×23642303² = 1117916982287618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23642309) 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 in 7 ways as a sum of consecutive naturals, for example, 2123 + ... + 7196.

It is an arithmetic number, because the mean of its divisors is an integer number (3075600).

Almost surely, 2^23642303 is an apocalyptic number.

23642303 is a deficient number, since it is larger than the sum of its proper divisors (962497).

23642303 is an equidigital number, since it uses as much as digits as its factorization.

23642303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9421.

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

The square root of 23642303 is about 4862.3351385934. The cubic root of 23642303 is about 287.0097120631.

Adding to 23642303 its reverse (30324632), we get a palindrome (53966935).

The spelling of 23642303 in words is "twenty-three million, six hundred forty-two thousand, three hundred three".