40120034323 has 8 divisors (see below), whose sum is σ = 42491781792. Its totient is φ = 37749591936.

The previous prime is 40120034309. The next prime is 40120034329. The reversal of 40120034323 is 32343002104.

It is a happy number.

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 40120034323 - 2¹³ = 40120026131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40120034294 and 40120034303.

It is not an unprimeable number, because it can be changed into a prime (40120034329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262615 + ... + 386272.

It is an arithmetic number, because the mean of its divisors is an integer number (5311472724).

Almost surely, 2^40120034323 is an apocalyptic number.

40120034323 is a deficient number, since it is larger than the sum of its proper divisors (2371747469).

40120034323 is a wasteful number, since it uses less digits than its factorization.

40120034323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652541.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 40120034323 its reverse (32343002104), we get a palindrome (72463036427).

The spelling of 40120034323 in words is "forty billion, one hundred twenty million, thirty-four thousand, three hundred twenty-three".