40003421223 has 4 divisors (see below), whose sum is σ = 53337894968. Its totient is φ = 26668947480.

The previous prime is 40003421173. The next prime is 40003421231. The reversal of 40003421223 is 32212430004.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40003421223 - 2⁸ = 40003420967 is a prime.

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 40003421223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40003421243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6667236868 + ... + 6667236873.

It is an arithmetic number, because the mean of its divisors is an integer number (13334473742).

Almost surely, 2^40003421223 is an apocalyptic number.

40003421223 is a deficient number, since it is larger than the sum of its proper divisors (13334473745).

40003421223 is a wasteful number, since it uses less digits than its factorization.

40003421223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13334473744.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40003421223 its reverse (32212430004), we get a palindrome (72215851227).

The spelling of 40003421223 in words is "forty billion, three million, four hundred twenty-one thousand, two hundred twenty-three".