12423413021 has 8 divisors (see below), whose sum is σ = 12528114144. Its totient is φ = 12319108560.

The previous prime is 12423412997. The next prime is 12423413027. The reversal of 12423413021 is 12031432421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12423413021 - 2¹⁴ = 12423396637 is a prime.

It is a super-3 number, since 3×12423413021³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423413027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36095 + ... + 161708.

It is an arithmetic number, because the mean of its divisors is an integer number (1566014268).

Almost surely, 2^12423413021 is an apocalyptic number.

It is an amenable number.

12423413021 is a deficient number, since it is larger than the sum of its proper divisors (104701123).

12423413021 is a wasteful number, since it uses less digits than its factorization.

12423413021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198331.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12423413021 its reverse (12031432421), we get a palindrome (24454845442).

The spelling of 12423413021 in words is "twelve billion, four hundred twenty-three million, four hundred thirteen thousand, twenty-one".