12403223100 has 54 divisors (see below), whose sum is σ = 38877216560. Its totient is φ = 3307525920.

The previous prime is 12403223057. The next prime is 12403223149. The reversal of 12403223100 is 132230421.

12403223100 is a `hidden beast` number, since 1 + 240 + 322 + 3 + 100 = 666.

It is a super-3 number, since 3×12403223100³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6889780 + ... + 6891579.

Almost surely, 2^12403223100 is an apocalyptic number.

12403223100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12403223100 is an abundant number, since it is smaller than the sum of its proper divisors (26473993460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12403223100 is a wasteful number, since it uses less digits than its factorization.

12403223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13781379 (or 13781369 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12403223100 its reverse (132230421), we get a palindrome (12535453521).

The spelling of 12403223100 in words is "twelve billion, four hundred three million, two hundred twenty-three thousand, one hundred".