323121000002123 has 8 divisors (see below), whose sum is σ = 328235726238528. Its totient is φ = 318014862728904.

The previous prime is 323121000002083. The next prime is 323121000002131. The reversal of 323121000002123 is 321200000121323.

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 323121000002123 - 2⁸ = 323121000001867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323121000002095 and 323121000002104.

It is not an unprimeable number, because it can be changed into a prime (323121000002023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2147164961 + ... + 2147315442.

It is an arithmetic number, because the mean of its divisors is an integer number (41029465779816).

Almost surely, 2^{323121000002123} is an apocalyptic number.

323121000002123 is a deficient number, since it is larger than the sum of its proper divisors (5114726236405).

323121000002123 is a wasteful number, since it uses less digits than its factorization.

323121000002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294481593.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 323121000002123 its reverse (321200000121323), we get a palindrome (644321000123446).

The spelling of 323121000002123 in words is "three hundred twenty-three trillion, one hundred twenty-one billion, two thousand, one hundred twenty-three".