40423004411 has 2 divisors, whose sum is σ = 40423004412. Its totient is φ = 40423004410.

The previous prime is 40423004389. The next prime is 40423004449. The reversal of 40423004411 is 11440032404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40423004411 is a prime.

It is a super-2 number, since 2×40423004411² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (40423004491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211502205 + 20211502206.

It is an arithmetic number, because the mean of its divisors is an integer number (20211502206).

Almost surely, 2^40423004411 is an apocalyptic number.

40423004411 is a deficient number, since it is larger than the sum of its proper divisors (1).

40423004411 is an equidigital number, since it uses as much as digits as its factorization.

40423004411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 40423004411 its reverse (11440032404), we get a palindrome (51863036815).

The spelling of 40423004411 in words is "forty billion, four hundred twenty-three million, four thousand, four hundred eleven".