420043083 has 4 divisors (see below), whose sum is σ = 560057448. Its totient is φ = 280028720.

The previous prime is 420043081. The next prime is 420043097. The reversal of 420043083 is 380340024.

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 420043083 - 2¹ = 420043081 is a prime.

It is a super-2 number, since 2×420043083² = 352872383152289778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420043081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70007178 + ... + 70007183.

It is an arithmetic number, because the mean of its divisors is an integer number (140014362).

Almost surely, 2^420043083 is an apocalyptic number.

420043083 is a deficient number, since it is larger than the sum of its proper divisors (140014365).

420043083 is a wasteful number, since it uses less digits than its factorization.

420043083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140014364.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 420043083 is about 20494.9526225361. The cubic root of 420043083 is about 748.9128444407.

The spelling of 420043083 in words is "four hundred twenty million, forty-three thousand, eighty-three".