40121300423 has 8 divisors (see below), whose sum is σ = 41214368160. Its totient is φ = 39033685120.

The previous prime is 40121300413. The next prime is 40121300431. The reversal of 40121300423 is 32400312104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40121300423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40121300395 and 40121300404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40121300413) 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, 1348190 + ... + 1377627.

It is an arithmetic number, because the mean of its divisors is an integer number (5151796020).

Almost surely, 2^40121300423 is an apocalyptic number.

40121300423 is a deficient number, since it is larger than the sum of its proper divisors (1093067737).

40121300423 is a wasteful number, since it uses less digits than its factorization.

40121300423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726217.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 40121300423 its reverse (32400312104), we get a palindrome (72521612527).

The spelling of 40121300423 in words is "forty billion, one hundred twenty-one million, three hundred thousand, four hundred twenty-three".