40043423363 has 4 divisors (see below), whose sum is σ = 40075485000. Its totient is φ = 40011361728.

The previous prime is 40043423359. The next prime is 40043423389. The reversal of 40043423363 is 36332434004.

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 40043423363 - 2² = 40043423359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40043423333) 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, 16028945 + ... + 16031442.

It is an arithmetic number, because the mean of its divisors is an integer number (10018871250).

Almost surely, 2^40043423363 is an apocalyptic number.

40043423363 is a deficient number, since it is larger than the sum of its proper divisors (32061637).

40043423363 is a wasteful number, since it uses less digits than its factorization.

40043423363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32061636.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 40043423363 its reverse (36332434004), we get a palindrome (76375857367).

The spelling of 40043423363 in words is "forty billion, forty-three million, four hundred twenty-three thousand, three hundred sixty-three".