2164623023311 has 8 divisors (see below), whose sum is σ = 2484119843744. Its totient is φ = 1847692442880.

The previous prime is 2164623023237. The next prime is 2164623023347. The reversal of 2164623023311 is 1133203264612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2164623023311 - 2¹⁹ = 2164622499023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164623023011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641558190 + ... + 641561563.

It is an arithmetic number, because the mean of its divisors is an integer number (310514980468).

Almost surely, 2^{2164623023311} is an apocalyptic number.

2164623023311 is a deficient number, since it is larger than the sum of its proper divisors (319496820433).

2164623023311 is a wasteful number, since it uses less digits than its factorization.

2164623023311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283120001.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 2164623023311 its reverse (1133203264612), we get a palindrome (3297826287923).

The spelling of 2164623023311 in words is "two trillion, one hundred sixty-four billion, six hundred twenty-three million, twenty-three thousand, three hundred eleven".