23311033234413 has 4 divisors (see below), whose sum is σ = 31081377645888. Its totient is φ = 15540688822940.

The previous prime is 23311033234367. The next prime is 23311033234417. The reversal of 23311033234413 is 31443233011332.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23311033234413 - 2²⁶ = 23310966125549 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311033234417) 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, 3885172205733 + ... + 3885172205738.

It is an arithmetic number, because the mean of its divisors is an integer number (7770344411472).

Almost surely, 2^{23311033234413} is an apocalyptic number.

It is an amenable number.

23311033234413 is a deficient number, since it is larger than the sum of its proper divisors (7770344411475).

23311033234413 is an equidigital number, since it uses as much as digits as its factorization.

23311033234413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770344411474.

The product of its (nonzero) digits is 46656, while the sum is 33.

Adding to 23311033234413 its reverse (31443233011332), we get a palindrome (54754266245745).

The spelling of 23311033234413 in words is "twenty-three trillion, three hundred eleven billion, thirty-three million, two hundred thirty-four thousand, four hundred thirteen".