23421001033 has 2 divisors, whose sum is σ = 23421001034. Its totient is φ = 23421001032.

The previous prime is 23421001003. The next prime is 23421001061. The reversal of 23421001033 is 33010012432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20321072704 + 3099928329 = 142552^2 + 55677^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23421001033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23421001033.

It is not a weakly prime, because it can be changed into another prime (23421001003) 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, 11710500516 + 11710500517.

It is an arithmetic number, because the mean of its divisors is an integer number (11710500517).

Almost surely, 2^23421001033 is an apocalyptic number.

It is an amenable number.

23421001033 is a deficient number, since it is larger than the sum of its proper divisors (1).

23421001033 is an equidigital number, since it uses as much as digits as its factorization.

23421001033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23421001033 its reverse (33010012432), we get a palindrome (56431013465).

The spelling of 23421001033 in words is "twenty-three billion, four hundred twenty-one million, one thousand, thirty-three".