123421033101 has 8 divisors (see below), whose sum is σ = 164563020160. Its totient is φ = 82279867392.

The previous prime is 123421033091. The next prime is 123421033139. The reversal of 123421033101 is 101330124321.

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

It is not a de Polignac number, because 123421033101 - 2⁶ = 123421033037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123421033501) 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, 401421 + ... + 638733.

It is an arithmetic number, because the mean of its divisors is an integer number (20570377520).

Almost surely, 2^123421033101 is an apocalyptic number.

It is an amenable number.

123421033101 is a deficient number, since it is larger than the sum of its proper divisors (41141987059).

123421033101 is a wasteful number, since it uses less digits than its factorization.

123421033101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410675.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123421033101 its reverse (101330124321), we get a palindrome (224751157422).

The spelling of 123421033101 in words is "one hundred twenty-three billion, four hundred twenty-one million, thirty-three thousand, one hundred one".