40321123040503 has 8 divisors (see below), whose sum is σ = 40828084104960. Its totient is φ = 39817243806720.

The previous prime is 40321123040417. The next prime is 40321123040543. The reversal of 40321123040503 is 30504032112304.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40321123040503 - 2³⁷ = 40183684087031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40321123040543) 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, 770431338 + ... + 770483671.

It is an arithmetic number, because the mean of its divisors is an integer number (5103510513120).

Almost surely, 2^{40321123040503} is an apocalyptic number.

40321123040503 is a deficient number, since it is larger than the sum of its proper divisors (506961064457).

40321123040503 is a wasteful number, since it uses less digits than its factorization.

40321123040503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540915337.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 40321123040503 its reverse (30504032112304), we get a palindrome (70825155152807).

The spelling of 40321123040503 in words is "forty trillion, three hundred twenty-one billion, one hundred twenty-three million, forty thousand, five hundred three".