23220310033 has 2 divisors, whose sum is σ = 23220310034. Its totient is φ = 23220310032.

The previous prime is 23220310007. The next prime is 23220310079. The reversal of 23220310033 is 33001302232.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22639114369 + 581195664 = 150463^2 + 24108^2 .

It is a cyclic number.

It is not a de Polignac number, because 23220310033 - 2²¹ = 23218212881 is a prime.

It is a super-2 number, since 2×23220310033² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23220310433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610155016 + 11610155017.

It is an arithmetic number, because the mean of its divisors is an integer number (11610155017).

Almost surely, 2^23220310033 is an apocalyptic number.

It is an amenable number.

23220310033 is a deficient number, since it is larger than the sum of its proper divisors (1).

23220310033 is an equidigital number, since it uses as much as digits as its factorization.

23220310033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 23220310033 its reverse (33001302232), we get a palindrome (56221612265).

The spelling of 23220310033 in words is "twenty-three billion, two hundred twenty million, three hundred ten thousand, thirty-three".