321232121232123 has 16 divisors (see below), whose sum is σ = 428641158475040. Its totient is φ = 213988965537024.

The previous prime is 321232121232101. The next prime is 321232121232199.

It is a happy number.

321232121232123 is nontrivially palindromic in base 10.

321232121232123 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 321232121232123 - 2⁵ = 321232121232091 is a prime.

It is a super-2 number, since 2×321232121232123² (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 (321232121232623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19594965 + ... + 32037897.

It is an arithmetic number, because the mean of its divisors is an integer number (26790072404690).

Almost surely, 2^{321232121232123} is an apocalyptic number.

321232121232123 is a deficient number, since it is larger than the sum of its proper divisors (107409037242917).

321232121232123 is a wasteful number, since it uses less digits than its factorization.

321232121232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12449598.

The product of its digits is 10368, while the sum is 30.

The spelling of 321232121232123 in words is "three hundred twenty-one trillion, two hundred thirty-two billion, one hundred twenty-one million, two hundred thirty-two thousand, one hundred twenty-three".