40430423323 has 8 divisors (see below), whose sum is σ = 42868987920. Its totient is φ = 38022923520.

The previous prime is 40430423273. The next prime is 40430423333. The reversal of 40430423323 is 32332403404.

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

It is a cyclic number.

It is not a de Polignac number, because 40430423323 - 2¹⁷ = 40430292251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40430423291 and 40430423300.

It is not an unprimeable number, because it can be changed into a prime (40430423333) 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, 7763518 + ... + 7768723.

It is an arithmetic number, because the mean of its divisors is an integer number (5358623490).

Almost surely, 2^40430423323 is an apocalyptic number.

40430423323 is a deficient number, since it is larger than the sum of its proper divisors (2438564597).

40430423323 is a wasteful number, since it uses less digits than its factorization.

40430423323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15532397.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 40430423323 its reverse (32332403404), we get a palindrome (72762826727).

The spelling of 40430423323 in words is "forty billion, four hundred thirty million, four hundred twenty-three thousand, three hundred twenty-three".