421123343321124 has 72 divisors (see below), whose sum is σ = 1116537873429888. Its totient is φ = 133674574743360.

The previous prime is 421123343321113. The next prime is 421123343321129.

421123343321124 is a `hidden beast` number, since 4 + 2 + 1 + 1 + 2 + 3 + 3 + 433 + 211 + 2 + 4 = 666.

421123343321124 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×421123343321124² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (421123343321129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3363327462 + ... + 3363452669.

It is an arithmetic number, because the mean of its divisors is an integer number (15507470464304).

Almost surely, 2^{421123343321124} is an apocalyptic number.

It is an amenable number.

421123343321124 is an abundant number, since it is smaller than the sum of its proper divisors (695414530108764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421123343321124 is a wasteful number, since it uses less digits than its factorization.

421123343321124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6726780225 (or 6726780220 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The spelling of 421123343321124 in words is "four hundred twenty-one trillion, one hundred twenty-three billion, three hundred forty-three million, three hundred twenty-one thousand, one hundred twenty-four".