123111421441 has 8 divisors (see below), whose sum is σ = 127996632000. Its totient is φ = 118268876880.

The previous prime is 123111421439. The next prime is 123111421463. The reversal of 123111421441 is 144124111321.

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 123111421441 - 2¹ = 123111421439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123111421471) 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, 10660615 + ... + 10672156.

It is an arithmetic number, because the mean of its divisors is an integer number (15999579000).

Almost surely, 2^123111421441 is an apocalyptic number.

It is an amenable number.

123111421441 is a deficient number, since it is larger than the sum of its proper divisors (4885210559).

123111421441 is a wasteful number, since it uses less digits than its factorization.

123111421441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21332999.

The product of its digits is 768, while the sum is 25.

Adding to 123111421441 its reverse (144124111321), we get a palindrome (267235532762).

The spelling of 123111421441 in words is "one hundred twenty-three billion, one hundred eleven million, four hundred twenty-one thousand, four hundred forty-one".