421123321124 has 24 divisors (see below), whose sum is σ = 807413207328. Its totient is φ = 190598143040.

The previous prime is 421123321121. The next prime is 421123321147.

It is a happy number.

421123321124 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 421123321093 and 421123321102.

It is not an unprimeable number, because it can be changed into a prime (421123321121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20528342 + ... + 20548845.

It is an arithmetic number, because the mean of its divisors is an integer number (33642216972).

Almost surely, 2^421123321124 is an apocalyptic number.

421123321124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421123321124 is a deficient number, since it is larger than the sum of its proper divisors (386289886204).

421123321124 is a wasteful number, since it uses less digits than its factorization.

421123321124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41077435 (or 41077433 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

It can be divided in two parts, 421123 and 321124, that added together give a palindrome (742247).

The spelling of 421123321124 in words is "four hundred twenty-one billion, one hundred twenty-three million, three hundred twenty-one thousand, one hundred twenty-four".