213111231322023 has 12 divisors (see below), whose sum is σ = 309606682886280. Its totient is φ = 141252916328016.

The previous prime is 213111231322009. The next prime is 213111231322051. The reversal of 213111231322023 is 320223132111312.

213111231322023 is a `hidden beast` number, since 2 + 1 + 31 + 112 + 313 + 2 + 202 + 3 = 666.

It is not a de Polignac number, because 213111231322023 - 2⁵ = 213111231321991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213111231332023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68436488913 + ... + 68436492026.

It is an arithmetic number, because the mean of its divisors is an integer number (25800556907190).

Almost surely, 2^{213111231322023} is an apocalyptic number.

213111231322023 is a deficient number, since it is larger than the sum of its proper divisors (96495451564257).

213111231322023 is a wasteful number, since it uses less digits than its factorization.

213111231322023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136872981118 (or 136872981115 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 213111231322023 its reverse (320223132111312), we get a palindrome (533334363433335).

The spelling of 213111231322023 in words is "two hundred thirteen trillion, one hundred eleven billion, two hundred thirty-one million, three hundred twenty-two thousand, twenty-three".