23021023113013 has 4 divisors (see below), whose sum is σ = 23021070709420. Its totient is φ = 23020975516608.

The previous prime is 23021023112981. The next prime is 23021023113031. The reversal of 23021023113013 is 31031132012032.

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 16082682543684 + 6938340569329 = 4010322^2 + 2634073^2 .

It is a cyclic number.

It is not a de Polignac number, because 23021023113013 - 2⁵ = 23021023112981 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 (23021023113713) 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, 23065170 + ... + 24042547.

It is an arithmetic number, because the mean of its divisors is an integer number (5755267677355).

Almost surely, 2^{23021023113013} is an apocalyptic number.

It is an amenable number.

23021023113013 is a deficient number, since it is larger than the sum of its proper divisors (47596407).

23021023113013 is an equidigital number, since it uses as much as digits as its factorization.

23021023113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47596406.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 23021023113013 its reverse (31031132012032), we get a palindrome (54052155125045).

The spelling of 23021023113013 in words is "twenty-three trillion, twenty-one billion, twenty-three million, one hundred thirteen thousand, thirteen".