420232583 has 2 divisors, whose sum is σ = 420232584. Its totient is φ = 420232582.

The previous prime is 420232541. The next prime is 420232651. The reversal of 420232583 is 385232024.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420232583 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420232523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210116291 + 210116292.

It is an arithmetic number, because the mean of its divisors is an integer number (210116292).

Almost surely, 2^420232583 is an apocalyptic number.

420232583 is a deficient number, since it is larger than the sum of its proper divisors (1).

420232583 is an equidigital number, since it uses as much as digits as its factorization.

420232583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 420232583 is about 20499.5751907204. The cubic root of 420232583 is about 749.0254500703.

The spelling of 420232583 in words is "four hundred twenty million, two hundred thirty-two thousand, five hundred eighty-three".