123030444131421 has 8 divisors (see below), whose sum is σ = 164087907041184. Its totient is φ = 81996638654640.

The previous prime is 123030444131407. The next prime is 123030444131429. The reversal of 123030444131421 is 124131444030321.

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 123030444131421 - 2²² = 123030439937117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123030444131429) 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, 5914346110 + ... + 5914366911.

It is an arithmetic number, because the mean of its divisors is an integer number (20510988380148).

Almost surely, 2^{123030444131421} is an apocalyptic number.

It is an amenable number.

123030444131421 is a deficient number, since it is larger than the sum of its proper divisors (41057462909763).

123030444131421 is a wasteful number, since it uses less digits than its factorization.

123030444131421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11828716491.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 123030444131421 its reverse (124131444030321), we get a palindrome (247161888161742).

The spelling of 123030444131421 in words is "one hundred twenty-three trillion, thirty billion, four hundred forty-four million, one hundred thirty-one thousand, four hundred twenty-one".