406820230843 has 32 divisors (see below), whose sum is σ = 487120578560. Its totient is φ = 336278718720.

The previous prime is 406820230799. The next prime is 406820230847. The reversal of 406820230843 is 348032028604.

It is a cyclic number.

It is not a de Polignac number, because 406820230843 - 2¹³ = 406820222651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 406820230796 and 406820230805.

It is not an unprimeable number, because it can be changed into a prime (406820230847) 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, 288546 + ... + 947047.

It is an arithmetic number, because the mean of its divisors is an integer number (15222518080).

Almost surely, 2^406820230843 is an apocalyptic number.

406820230843 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

406820230843 is a deficient number, since it is larger than the sum of its proper divisors (80300347717).

406820230843 is a wasteful number, since it uses less digits than its factorization.

406820230843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235699.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 406820230843 in words is "four hundred six billion, eight hundred twenty million, two hundred thirty thousand, eight hundred forty-three".