23311443203 has 16 divisors (see below), whose sum is σ = 23909963616. Its totient is φ = 22719191040.

The previous prime is 23311443193. The next prime is 23311443257. The reversal of 23311443203 is 30234411332.

It is a cyclic number.

It is not a de Polignac number, because 23311443203 - 2⁴ = 23311443187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23311443403) 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, 8466275 + ... + 8469027.

It is an arithmetic number, because the mean of its divisors is an integer number (1494372726).

Almost surely, 2^23311443203 is an apocalyptic number.

23311443203 is a deficient number, since it is larger than the sum of its proper divisors (598520413).

23311443203 is a wasteful number, since it uses less digits than its factorization.

23311443203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 23311443203 its reverse (30234411332), we get a palindrome (53545854535).

The spelling of 23311443203 in words is "twenty-three billion, three hundred eleven million, four hundred forty-three thousand, two hundred three".