4020352343 has 6 divisors (see below), whose sum is σ = 4676736456. Its totient is φ = 3446016252.

The previous prime is 4020352339. The next prime is 4020352387. The reversal of 4020352343 is 3432530204.

It is not a de Polignac number, because 4020352343 - 2² = 4020352339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020352043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41023955 + ... + 41024052.

It is an arithmetic number, because the mean of its divisors is an integer number (779456076).

Almost surely, 2^4020352343 is an apocalyptic number.

4020352343 is a deficient number, since it is larger than the sum of its proper divisors (656384113).

4020352343 is an equidigital number, since it uses as much as digits as its factorization.

4020352343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82048021 (or 82048014 counting only the distinct ones).

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

The square root of 4020352343 is about 63406.2484539182. The cubic root of 4020352343 is about 1590.0887762095.

Adding to 4020352343 its reverse (3432530204), we get a palindrome (7452882547).

The spelling of 4020352343 in words is "four billion, twenty million, three hundred fifty-two thousand, three hundred forty-three".