23133023220313 has 4 divisors (see below), whose sum is σ = 23392944829620. Its totient is φ = 22873101611008.

The previous prime is 23133023220289. The next prime is 23133023220319. The reversal of 23133023220313 is 31302232033132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3857735948544 + 19275287271769 = 1964112^2 + 4390363^2 .

It is a cyclic number.

It is not a de Polignac number, because 23133023220313 - 2²¹ = 23133021123161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23133023220319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129960804520 + ... + 129960804697.

It is an arithmetic number, because the mean of its divisors is an integer number (5848236207405).

Almost surely, 2^{23133023220313} is an apocalyptic number.

It is an amenable number.

23133023220313 is a deficient number, since it is larger than the sum of its proper divisors (259921609307).

23133023220313 is an equidigital number, since it uses as much as digits as its factorization.

23133023220313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259921609306.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 23133023220313 its reverse (31302232033132), we get a palindrome (54435255253445).

The spelling of 23133023220313 in words is "twenty-three trillion, one hundred thirty-three billion, twenty-three million, two hundred twenty thousand, three hundred thirteen".