420034043 has 16 divisors (see below), whose sum is σ = 500238816. Its totient is φ = 347639040.

The previous prime is 420034037. The next prime is 420034049. The reversal of 420034043 is 340430024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (420034037) and next prime (420034049).

It is a cyclic number.

It is not a de Polignac number, because 420034043 - 2¹⁴ = 420017659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420034049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9680 + ... + 30557.

It is an arithmetic number, because the mean of its divisors is an integer number (31264926).

Almost surely, 2^420034043 is an apocalyptic number.

420034043 is a deficient number, since it is larger than the sum of its proper divisors (80204773).

420034043 is a wasteful number, since it uses less digits than its factorization.

420034043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40334.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 420034043 is about 20494.7320792442. The cubic root of 420034043 is about 748.9074718008.

Adding to 420034043 its reverse (340430024), we get a palindrome (760464067).

The spelling of 420034043 in words is "four hundred twenty million, thirty-four thousand, forty-three".