12423424500 has 72 divisors (see below), whose sum is σ = 39191777352. Its totient is φ = 3312912000.

The previous prime is 12423424483. The next prime is 12423424523. The reversal of 12423424500 is 542432421.

12423424500 is a `hidden beast` number, since 124 + 2 + 34 + 2 + 4 + 500 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3726369936 + 8697054564 = 61044^2 + 93258^2 .

It is a super-3 number, since 3×12423424500³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1375881 + ... + 1384880.

It is an arithmetic number, because the mean of its divisors is an integer number (544330241).

Almost surely, 2^12423424500 is an apocalyptic number.

12423424500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12423424500 is an abundant number, since it is smaller than the sum of its proper divisors (26768352852).

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

12423424500 is a wasteful number, since it uses less digits than its factorization.

12423424500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760786 (or 2760771 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 12423424500 its reverse (542432421), we get a palindrome (12965856921).

The spelling of 12423424500 in words is "twelve billion, four hundred twenty-three million, four hundred twenty-four thousand, five hundred".