40230343 has 6 divisors (see below), whose sum is σ = 41570952. Its totient is φ = 38931660.

The previous prime is 40230341. The next prime is 40230367. The reversal of 40230343 is 34303204.

It is not a de Polignac number, because 40230343 - 2¹ = 40230341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40230343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40230341) 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, 19971 + ... + 21892.

It is an arithmetic number, because the mean of its divisors is an integer number (6928492).

Almost surely, 2^40230343 is an apocalyptic number.

40230343 is a deficient number, since it is larger than the sum of its proper divisors (1340609).

40230343 is an equidigital number, since it uses as much as digits as its factorization.

40230343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41925 (or 41894 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 40230343 is about 6342.7393924077. The cubic root of 40230343 is about 342.6504015597.

Adding to 40230343 its reverse (34303204), we get a palindrome (74533547).

The spelling of 40230343 in words is "forty million, two hundred thirty thousand, three hundred forty-three".