403123323212 has 12 divisors (see below), whose sum is σ = 706989503136. Its totient is φ = 201126322320.

The previous prime is 403123323193. The next prime is 403123323223. The reversal of 403123323212 is 212323321304.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108832739 + ... + 108836442.

It is an arithmetic number, because the mean of its divisors is an integer number (58915791928).

Almost surely, 2^403123323212 is an apocalyptic number.

It is an amenable number.

403123323212 is a deficient number, since it is larger than the sum of its proper divisors (303866179924).

403123323212 is a wasteful number, since it uses less digits than its factorization.

403123323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217669648 (or 217669646 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 403123323212 its reverse (212323321304), we get a palindrome (615446644516).

The spelling of 403123323212 in words is "four hundred three billion, one hundred twenty-three million, three hundred twenty-three thousand, two hundred twelve".