420253343 has 8 divisors (see below), whose sum is σ = 443001600. Its totient is φ = 397568088.

The previous prime is 420253333. The next prime is 420253357. The reversal of 420253343 is 343352024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420253343 - 2¹⁰ = 420252319 is a prime.

It is a super-2 number, since 2×420253343² = 353225744605351298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420253303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1721 + ... + 29042.

It is an arithmetic number, because the mean of its divisors is an integer number (55375200).

Almost surely, 2^420253343 is an apocalyptic number.

420253343 is a deficient number, since it is larger than the sum of its proper divisors (22748257).

420253343 is a wasteful number, since it uses less digits than its factorization.

420253343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31501.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 420253343 is about 20500.0815364232. The cubic root of 420253343 is about 749.0377841228.

The spelling of 420253343 in words is "four hundred twenty million, two hundred fifty-three thousand, three hundred forty-three".