40423111305 has 16 divisors (see below), whose sum is σ = 65186248704. Its totient is φ = 21389235840.

The previous prime is 40423111303. The next prime is 40423111307. The reversal of 40423111305 is 50311132404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40423111303) and next prime (40423111307).

It is not a de Polignac number, because 40423111305 - 2¹ = 40423111303 is a prime.

It is a super-3 number, since 3×40423111305³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40423111303) 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, 10607836 + ... + 10611645.

It is an arithmetic number, because the mean of its divisors is an integer number (4074140544).

Almost surely, 2^40423111305 is an apocalyptic number.

It is an amenable number.

40423111305 is a deficient number, since it is larger than the sum of its proper divisors (24763137399).

40423111305 is a wasteful number, since it uses less digits than its factorization.

40423111305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21219616.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 40423111305 its reverse (50311132404), we get a palindrome (90734243709).

The spelling of 40423111305 in words is "forty billion, four hundred twenty-three million, one hundred eleven thousand, three hundred five".