40430220323 has 8 divisors (see below), whose sum is σ = 40699897056. Its totient is φ = 40161052800.

The previous prime is 40430220319. The next prime is 40430220343. The reversal of 40430220323 is 32302203404.

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 40430220323 - 2² = 40430220319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40430220343) 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, 32690 + ... + 286232.

It is an arithmetic number, because the mean of its divisors is an integer number (5087487132).

Almost surely, 2^40430220323 is an apocalyptic number.

40430220323 is a deficient number, since it is larger than the sum of its proper divisors (269676733).

40430220323 is a wasteful number, since it uses less digits than its factorization.

40430220323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254605.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 40430220323 its reverse (32302203404), we get a palindrome (72732423727).

The spelling of 40430220323 in words is "forty billion, four hundred thirty million, two hundred twenty thousand, three hundred twenty-three".