12423200340 has 48 divisors (see below), whose sum is σ = 34799994432. Its totient is φ = 3311421696.

The previous prime is 12423200333. The next prime is 12423200341. The reversal of 12423200340 is 4300232421.

It is a super-2 number, since 2×12423200340² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423200341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99067 + ... + 186173.

It is an arithmetic number, because the mean of its divisors is an integer number (724999884).

Almost surely, 2^12423200340 is an apocalyptic number.

12423200340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12423200340 is an abundant number, since it is smaller than the sum of its proper divisors (22376794092).

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

12423200340 is a wasteful number, since it uses less digits than its factorization.

12423200340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89496 (or 89494 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12423200340 its reverse (4300232421), we get a palindrome (16723432761).

The spelling of 12423200340 in words is "twelve billion, four hundred twenty-three million, two hundred thousand, three hundred forty".