11323123232021 has 4 divisors (see below), whose sum is σ = 11323135943712. Its totient is φ = 11323110520332.

The previous prime is 11323123232011. The next prime is 11323123232039. The reversal of 11323123232021 is 12023232132311.

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 11323123232021 - 2¹⁴ = 11323123215637 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 (11323123232011) 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, 4910075 + ... + 6837768.

It is an arithmetic number, because the mean of its divisors is an integer number (2830783985928).

Almost surely, 2^{11323123232021} is an apocalyptic number.

It is an amenable number.

11323123232021 is a deficient number, since it is larger than the sum of its proper divisors (12711691).

11323123232021 is an equidigital number, since it uses as much as digits as its factorization.

11323123232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12711690.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 11323123232021 its reverse (12023232132311), we get a palindrome (23346355364332).

The spelling of 11323123232021 in words is "eleven trillion, three hundred twenty-three billion, one hundred twenty-three million, two hundred thirty-two thousand, twenty-one".