12423003111 has 36 divisors (see below), whose sum is σ = 18959489640. Its totient is φ = 7837408800.

The previous prime is 12423003077. The next prime is 12423003127. The reversal of 12423003111 is 11130032421.

12423003111 is a `hidden beast` number, since 12 + 42 + 300 + 311 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-12423003111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423003311) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4225480 + ... + 4228418.

It is an arithmetic number, because the mean of its divisors is an integer number (526652490).

Almost surely, 2^12423003111 is an apocalyptic number.

12423003111 is a deficient number, since it is larger than the sum of its proper divisors (6536486529).

12423003111 is a wasteful number, since it uses less digits than its factorization.

12423003111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4284 (or 4262 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12423003111 its reverse (11130032421), we get a palindrome (23553035532).

The spelling of 12423003111 in words is "twelve billion, four hundred twenty-three million, three thousand, one hundred eleven".