23404443203 has 16 divisors (see below), whose sum is σ = 24396237120. Its totient is φ = 22432329216.

The previous prime is 23404443197. The next prime is 23404443221. The reversal of 23404443203 is 30234440432.

It is a de Polignac number, because none of the positive numbers 2^k-23404443203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23404443253) 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 in 15 ways as a sum of consecutive naturals, for example, 2390903 + ... + 2400671.

It is an arithmetic number, because the mean of its divisors is an integer number (1524764820).

Almost surely, 2^23404443203 is an apocalyptic number.

23404443203 is a deficient number, since it is larger than the sum of its proper divisors (991793917).

23404443203 is an equidigital number, since it uses as much as digits as its factorization.

23404443203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10766.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 23404443203 its reverse (30234440432), we get a palindrome (53638883635).

The spelling of 23404443203 in words is "twenty-three billion, four hundred four million, four hundred forty-three thousand, two hundred three".