23311000121333 has 4 divisors (see below), whose sum is σ = 23311481831820. Its totient is φ = 23310518410848.

The previous prime is 23311000121317. The next prime is 23311000121347. The reversal of 23311000121333 is 33312100011332.

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 16417261519684 + 6893738601649 = 4051822^2 + 2625593^2 .

It is a cyclic number.

It is not a de Polignac number, because 23311000121333 - 2⁴ = 23311000121317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23311000121299 and 23311000121308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311000124333) 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, 240782648 + ... + 240879441.

It is an arithmetic number, because the mean of its divisors is an integer number (5827870457955).

Almost surely, 2^{23311000121333} is an apocalyptic number.

It is an amenable number.

23311000121333 is a deficient number, since it is larger than the sum of its proper divisors (481710487).

23311000121333 is an equidigital number, since it uses as much as digits as its factorization.

23311000121333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481710486.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 23311000121333 its reverse (33312100011332), we get a palindrome (56623100132665).

The spelling of 23311000121333 in words is "twenty-three trillion, three hundred eleven billion, one hundred twenty-one thousand, three hundred thirty-three".