40121132344223 has 16 divisors (see below), whose sum is σ = 46446840192000. Its totient is φ = 33944210812512.

The previous prime is 40121132344219. The next prime is 40121132344231. The reversal of 40121132344223 is 32244323112104.

It is a happy number.

It is not a de Polignac number, because 40121132344223 - 2² = 40121132344219 is a prime.

It is a super-2 number, since 2×40121132344223² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40121132344223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40121132344213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8829893 + ... + 12578126.

It is an arithmetic number, because the mean of its divisors is an integer number (2902927512000).

Almost surely, 2^{40121132344223} is an apocalyptic number.

40121132344223 is a deficient number, since it is larger than the sum of its proper divisors (6325707847777).

40121132344223 is a wasteful number, since it uses less digits than its factorization.

40121132344223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21411494.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 40121132344223 its reverse (32244323112104), we get a palindrome (72365455456327).

The spelling of 40121132344223 in words is "forty trillion, one hundred twenty-one billion, one hundred thirty-two million, three hundred forty-four thousand, two hundred twenty-three".