12040223403 has 16 divisors (see below), whose sum is σ = 17327932160. Its totient is φ = 7392479904.

The previous prime is 12040223357. The next prime is 12040223423. The reversal of 12040223403 is 30432204021.

It is not a de Polignac number, because 12040223403 - 2⁶ = 12040223339 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 12040223403.

It is not an unprimeable number, because it can be changed into a prime (12040223423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334501 + ... + 368742.

It is an arithmetic number, because the mean of its divisors is an integer number (1082995760).

Almost surely, 2^12040223403 is an apocalyptic number.

12040223403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12040223403 is a deficient number, since it is larger than the sum of its proper divisors (5287708757).

12040223403 is a wasteful number, since it uses less digits than its factorization.

12040223403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703698.

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

Adding to 12040223403 its reverse (30432204021), we get a palindrome (42472427424).

The spelling of 12040223403 in words is "twelve billion, forty million, two hundred twenty-three thousand, four hundred three".