40433421321123 has 8 divisors (see below), whose sum is σ = 54649738406928. Its totient is φ = 26586359224704.

The previous prime is 40433421321109. The next prime is 40433421321229. The reversal of 40433421321123 is 32112312433404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40433421321123 - 2²⁰ = 40433420272547 is a prime.

It is a super-2 number, since 2×40433421321123² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40433421321103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92313747090 + ... + 92313747527.

It is an arithmetic number, because the mean of its divisors is an integer number (6831217300866).

Almost surely, 2^{40433421321123} is an apocalyptic number.

40433421321123 is a deficient number, since it is larger than the sum of its proper divisors (14216317085805).

40433421321123 is a wasteful number, since it uses less digits than its factorization.

40433421321123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184627494693.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 40433421321123 its reverse (32112312433404), we get a palindrome (72545733754527).

The spelling of 40433421321123 in words is "forty trillion, four hundred thirty-three billion, four hundred twenty-one million, three hundred twenty-one thousand, one hundred twenty-three".