23020120011331 has 4 divisors (see below), whose sum is σ = 23140644200064. Its totient is φ = 22899595822600.

The previous prime is 23020120011263. The next prime is 23020120011341. The reversal of 23020120011331 is 13311002102032.

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

It is a cyclic number.

It is not a de Polignac number, because 23020120011331 - 2⁹ = 23020120010819 is a prime.

It is a super-3 number, since 3×23020120011331³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23020120011299 and 23020120011308.

It is not an unprimeable number, because it can be changed into a prime (23020120011341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60262094080 + ... + 60262094461.

It is an arithmetic number, because the mean of its divisors is an integer number (5785161050016).

Almost surely, 2^{23020120011331} is an apocalyptic number.

23020120011331 is a deficient number, since it is larger than the sum of its proper divisors (120524188733).

23020120011331 is a wasteful number, since it uses less digits than its factorization.

23020120011331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120524188732.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23020120011331 its reverse (13311002102032), we get a palindrome (36331122113363).

The spelling of 23020120011331 in words is "twenty-three trillion, twenty billion, one hundred twenty million, eleven thousand, three hundred thirty-one".