40423433111 has 16 divisors (see below), whose sum is σ = 41068749600. Its totient is φ = 39783628800.

The previous prime is 40423433093. The next prime is 40423433117. The reversal of 40423433111 is 11133432404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40423433111 - 2¹⁰ = 40423432087 is a prime.

It is a super-2 number, since 2×40423433111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40423433117) 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 in 15 ways as a sum of consecutive naturals, for example, 14975840 + ... + 14978538.

It is an arithmetic number, because the mean of its divisors is an integer number (2566796850).

Almost surely, 2^40423433111 is an apocalyptic number.

40423433111 is a deficient number, since it is larger than the sum of its proper divisors (645316489).

40423433111 is a wasteful number, since it uses less digits than its factorization.

40423433111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 40423433111 its reverse (11133432404), we get a palindrome (51556865515).

The spelling of 40423433111 in words is "forty billion, four hundred twenty-three million, four hundred thirty-three thousand, one hundred eleven".