40424120202343 has 4 divisors (see below), whose sum is σ = 40517478448048. Its totient is φ = 40330761956640.

The previous prime is 40424120202329. The next prime is 40424120202391. The reversal of 40424120202343 is 34320202142404.

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 40424120202343 - 2⁹ = 40424120201831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40424120206343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46679122203 + ... + 46679123068.

It is an arithmetic number, because the mean of its divisors is an integer number (10129369612012).

Almost surely, 2^{40424120202343} is an apocalyptic number.

40424120202343 is a deficient number, since it is larger than the sum of its proper divisors (93358245705).

40424120202343 is an equidigital number, since it uses as much as digits as its factorization.

40424120202343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93358245704.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 40424120202343 its reverse (34320202142404), we get a palindrome (74744322344747).

The spelling of 40424120202343 in words is "forty trillion, four hundred twenty-four billion, one hundred twenty million, two hundred two thousand, three hundred forty-three".