321432121234123 has 4 divisors (see below), whose sum is σ = 321438265688808. Its totient is φ = 321425976779440.

The previous prime is 321432121234121. The next prime is 321432121234127.

321432121234123 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 321432121234123 - 2¹ = 321432121234121 is a prime.

It is a super-2 number, since 2×321432121234123² (a number of 30 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321432121234121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3072148873 + ... + 3072253498.

It is an arithmetic number, because the mean of its divisors is an integer number (80359566422202).

Almost surely, 2^{321432121234123} is an apocalyptic number.

321432121234123 is a deficient number, since it is larger than the sum of its proper divisors (6144454685).

321432121234123 is an equidigital number, since it uses as much as digits as its factorization.

321432121234123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6144454684.

The product of its digits is 41472, while the sum is 34.

The spelling of 321432121234123 in words is "three hundred twenty-one trillion, four hundred thirty-two billion, one hundred twenty-one million, two hundred thirty-four thousand, one hundred twenty-three".