231211211021323 has 8 divisors (see below), whose sum is σ = 248998030138368. Its totient is φ = 213424583525184.

The previous prime is 231211211021317. The next prime is 231211211021381. The reversal of 231211211021323 is 323120112112132.

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 231211211021323 - 2³⁷ = 231073772067851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231211211021303) 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, 45394315 + ... + 50230132.

It is an arithmetic number, because the mean of its divisors is an integer number (31124753767296).

Almost surely, 2^{231211211021323} is an apocalyptic number.

231211211021323 is a deficient number, since it is larger than the sum of its proper divisors (17786819117045).

231211211021323 is a wasteful number, since it uses less digits than its factorization.

231211211021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95810453.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 231211211021323 its reverse (323120112112132), we get a palindrome (554331323133455).

The spelling of 231211211021323 in words is "two hundred thirty-one trillion, two hundred eleven billion, two hundred eleven million, twenty-one thousand, three hundred twenty-three".