231321100323 has 8 divisors (see below), whose sum is σ = 308653763328. Its totient is φ = 154101252104.

The previous prime is 231321100319. The next prime is 231321100327. The reversal of 231321100323 is 323001123132.

It is an interprime number because it is at equal distance from previous prime (231321100319) and next prime (231321100327).

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 231321100323 - 2² = 231321100319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231321100323.

It is not an unprimeable number, because it can be changed into a prime (231321100327) 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, 28198911 + ... + 28207112.

It is an arithmetic number, because the mean of its divisors is an integer number (38581720416).

Almost surely, 2^231321100323 is an apocalyptic number.

231321100323 is a deficient number, since it is larger than the sum of its proper divisors (77332663005).

231321100323 is a wasteful number, since it uses less digits than its factorization.

231321100323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56407393.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231321100323 its reverse (323001123132), we get a palindrome (554322223455).

The spelling of 231321100323 in words is "two hundred thirty-one billion, three hundred twenty-one million, one hundred thousand, three hundred twenty-three".