420456043 has 4 divisors (see below), whose sum is σ = 480521200. Its totient is φ = 360390888.

The previous prime is 420456041. The next prime is 420456059. The reversal of 420456043 is 340654024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420456043 - 2¹ = 420456041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420456041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30032568 + ... + 30032581.

It is an arithmetic number, because the mean of its divisors is an integer number (120130300).

Almost surely, 2^420456043 is an apocalyptic number.

420456043 is a deficient number, since it is larger than the sum of its proper divisors (60065157).

420456043 is an equidigital number, since it uses as much as digits as its factorization.

420456043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60065156.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 420456043 is about 20505.0248231988. The cubic root of 420456043 is about 749.1581920920.

The spelling of 420456043 in words is "four hundred twenty million, four hundred fifty-six thousand, forty-three".