421243342124 has 24 divisors (see below), whose sum is σ = 804709796688. Its totient is φ = 191350922240.

The previous prime is 421243342103. The next prime is 421243342129.

It is a happy number.

421243342124 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (421243342129) 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, 3013997 + ... + 3150660.

It is an arithmetic number, because the mean of its divisors is an integer number (33529574862).

Almost surely, 2^421243342124 is an apocalyptic number.

421243342124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421243342124 is a deficient number, since it is larger than the sum of its proper divisors (383466454564).

421243342124 is a wasteful number, since it uses less digits than its factorization.

421243342124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6166225 (or 6166223 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

It can be divided in two parts, 421243 and 342124, that added together give a palindrome (763367).

The spelling of 421243342124 in words is "four hundred twenty-one billion, two hundred forty-three million, three hundred forty-two thousand, one hundred twenty-four".