12423130140 has 48 divisors (see below), whose sum is σ = 35109873792. Its totient is φ = 3281871936.

The previous prime is 12423130127. The next prime is 12423130141. The reversal of 12423130140 is 4103132421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423130141) 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, 961114 + ... + 973953.

It is an arithmetic number, because the mean of its divisors is an integer number (731455704).

Almost surely, 2^12423130140 is an apocalyptic number.

12423130140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12423130140 is an abundant number, since it is smaller than the sum of its proper divisors (22686743652).

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

12423130140 is a wasteful number, since it uses less digits than its factorization.

12423130140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935186 (or 1935184 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12423130140 its reverse (4103132421), we get a palindrome (16526262561).

The spelling of 12423130140 in words is "twelve billion, four hundred twenty-three million, one hundred thirty thousand, one hundred forty".