420044212343 has 32 divisors (see below), whose sum is σ = 535254635520. Its totient is φ = 321152325120.

The previous prime is 420044212219. The next prime is 420044212387. The reversal of 420044212343 is 343212440024.

It is a cyclic number.

It is not a de Polignac number, because 420044212343 - 2¹⁸ = 420043950199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420044212543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405653 + ... + 1002318.

It is an arithmetic number, because the mean of its divisors is an integer number (16726707360).

Almost surely, 2^420044212343 is an apocalyptic number.

420044212343 is a deficient number, since it is larger than the sum of its proper divisors (115210423177).

420044212343 is a wasteful number, since it uses less digits than its factorization.

420044212343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408127.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 420044212343 its reverse (343212440024), we get a palindrome (763256652367).

The spelling of 420044212343 in words is "four hundred twenty billion, forty-four million, two hundred twelve thousand, three hundred forty-three".