40323123303 has 8 divisors (see below), whose sum is σ = 55498492416. Its totient is φ = 26014918200.

The previous prime is 40323123209. The next prime is 40323123307. The reversal of 40323123303 is 30332132304.

It is a happy number.

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

It is not a de Polignac number, because 40323123303 - 2¹⁴ = 40323106919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40323123307) 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, 216790893 + ... + 216791078.

It is an arithmetic number, because the mean of its divisors is an integer number (6937311552).

Almost surely, 2^40323123303 is an apocalyptic number.

40323123303 is a deficient number, since it is larger than the sum of its proper divisors (15175369113).

40323123303 is a wasteful number, since it uses less digits than its factorization.

40323123303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433582005.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 40323123303 its reverse (30332132304), we get a palindrome (70655255607).

Subtracting from 40323123303 its reverse (30332132304), we obtain a palindrome (9990990999).

The spelling of 40323123303 in words is "forty billion, three hundred twenty-three million, one hundred twenty-three thousand, three hundred three".