23133413220013 has 4 divisors (see below), whose sum is σ = 23140524632188. Its totient is φ = 23126301807840.

The previous prime is 23133413219989. The next prime is 23133413220023. The reversal of 23133413220013 is 31002231433132.

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 16346148183369 + 6787265036644 = 4043037^2 + 2605238^2 .

It is a cyclic number.

It is not a de Polignac number, because 23133413220013 - 2²⁹ = 23132876349101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133413220023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3555701208 + ... + 3555707713.

It is an arithmetic number, because the mean of its divisors is an integer number (5785131158047).

Almost surely, 2^{23133413220013} is an apocalyptic number.

It is an amenable number.

23133413220013 is a deficient number, since it is larger than the sum of its proper divisors (7111412175).

23133413220013 is an equidigital number, since it uses as much as digits as its factorization.

23133413220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7111412174.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 23133413220013 its reverse (31002231433132), we get a palindrome (54135644653145).

The spelling of 23133413220013 in words is "twenty-three trillion, one hundred thirty-three billion, four hundred thirteen million, two hundred twenty thousand, thirteen".