40203223323 has 4 divisors (see below), whose sum is σ = 53604297768. Its totient is φ = 26802148880.

The previous prime is 40203223309. The next prime is 40203223373. The reversal of 40203223323 is 32332230204.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40203223323 - 2²⁴ = 40186446107 is a prime.

It is a super-2 number, since 2×40203223323² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40203223293 and 40203223302.

It is not an unprimeable number, because it can be changed into a prime (40203223373) 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, 6700537218 + ... + 6700537223.

It is an arithmetic number, because the mean of its divisors is an integer number (13401074442).

Almost surely, 2^40203223323 is an apocalyptic number.

40203223323 is a deficient number, since it is larger than the sum of its proper divisors (13401074445).

40203223323 is a wasteful number, since it uses less digits than its factorization.

40203223323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13401074444.

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 40203223323 its reverse (32332230204), we get a palindrome (72535453527).

The spelling of 40203223323 in words is "forty billion, two hundred three million, two hundred twenty-three thousand, three hundred twenty-three".