12230401123 has 4 divisors (see below), whose sum is σ = 12231428728. Its totient is φ = 12229373520.

The previous prime is 12230401081. The next prime is 12230401129. The reversal of 12230401123 is 32110403221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32110403221 = 13 ⋅2470031017.

It is a cyclic number.

It is not a de Polignac number, because 12230401123 - 2²⁵ = 12196846691 is a prime.

It is a super-3 number, since 3×12230401123³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 12230401123.

It is not an unprimeable number, because it can be changed into a prime (12230401129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495738 + ... + 519823.

It is an arithmetic number, because the mean of its divisors is an integer number (3057857182).

Almost surely, 2^12230401123 is an apocalyptic number.

12230401123 is a deficient number, since it is larger than the sum of its proper divisors (1027605).

12230401123 is a wasteful number, since it uses less digits than its factorization.

12230401123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027604.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12230401123 its reverse (32110403221), we get a palindrome (44340804344).

The spelling of 12230401123 in words is "twelve billion, two hundred thirty million, four hundred one thousand, one hundred twenty-three".