23454443203 has 2 divisors, whose sum is σ = 23454443204. Its totient is φ = 23454443202.

The previous prime is 23454443197. The next prime is 23454443237. The reversal of 23454443203 is 30234445432.

It is an a-pointer prime, because the next prime (23454443237) can be obtained adding 23454443203 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23454443203 - 2⁹ = 23454442691 is a prime.

It is a super-2 number, since 2×23454443203² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23454443293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11727221601 + 11727221602.

It is an arithmetic number, because the mean of its divisors is an integer number (11727221602).

Almost surely, 2^23454443203 is an apocalyptic number.

23454443203 is a deficient number, since it is larger than the sum of its proper divisors (1).

23454443203 is an equidigital number, since it uses as much as digits as its factorization.

23454443203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 34.

Adding to 23454443203 its reverse (30234445432), we get a palindrome (53688888635).

The spelling of 23454443203 in words is "twenty-three billion, four hundred fifty-four million, four hundred forty-three thousand, two hundred three".