40323344223403 has 4 divisors (see below), whose sum is σ = 40323364891128. Its totient is φ = 40323323555680.

The previous prime is 40323344223367. The next prime is 40323344223413. The reversal of 40323344223403 is 30432244332304.

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 40323344223403 - 2²⁹ = 40322807352491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40323344223413) 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, 7062013 + ... + 11424478.

It is an arithmetic number, because the mean of its divisors is an integer number (10080841222782).

Almost surely, 2^{40323344223403} is an apocalyptic number.

40323344223403 is a deficient number, since it is larger than the sum of its proper divisors (20667725).

40323344223403 is a wasteful number, since it uses less digits than its factorization.

40323344223403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20667724.

The product of its (nonzero) digits is 497664, while the sum is 37.

Adding to 40323344223403 its reverse (30432244332304), we get a palindrome (70755588555707).

The spelling of 40323344223403 in words is "forty trillion, three hundred twenty-three billion, three hundred forty-four million, two hundred twenty-three thousand, four hundred three".