420076023 has 4 divisors (see below), whose sum is σ = 560101368. Its totient is φ = 280050680.

The previous prime is 420076003. The next prime is 420076061. The reversal of 420076023 is 320670024.

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 420076023 - 2⁸ = 420075767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420075984 and 420076002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420076003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70012668 + ... + 70012673.

It is an arithmetic number, because the mean of its divisors is an integer number (140025342).

Almost surely, 2^420076023 is an apocalyptic number.

420076023 is a deficient number, since it is larger than the sum of its proper divisors (140025345).

420076023 is a wasteful number, since it uses less digits than its factorization.

420076023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140025344.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 420076023 is about 20495.7562192762. The cubic root of 420076023 is about 748.9324206423.

The spelling of 420076023 in words is "four hundred twenty million, seventy-six thousand, twenty-three".