123323324421 has 8 divisors (see below), whose sum is σ = 179379381024. Its totient is φ = 74741408720.

The previous prime is 123323324359. The next prime is 123323324461. The reversal of 123323324421 is 124423323321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123323324421 - 2²² = 123319130117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123323324461) 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, 1868535186 + ... + 1868535251.

It is an arithmetic number, because the mean of its divisors is an integer number (22422422628).

Almost surely, 2^123323324421 is an apocalyptic number.

123323324421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123323324421 is a deficient number, since it is larger than the sum of its proper divisors (56056056603).

123323324421 is a wasteful number, since it uses less digits than its factorization.

123323324421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737070451.

The product of its digits is 20736, while the sum is 30.

Adding to 123323324421 its reverse (124423323321), we get a palindrome (247746647742).

It can be divided in two parts, 123323 and 324421, that added together give a palindrome (447744).

The spelling of 123323324421 in words is "one hundred twenty-three billion, three hundred twenty-three million, three hundred twenty-four thousand, four hundred twenty-one".