12403232430 has 64 divisors (see below), whose sum is σ = 30923596800. Its totient is φ = 3180060800.

The previous prime is 12403232411. The next prime is 12403232437. The reversal of 12403232430 is 3423230421.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12403232430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12403232437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178105 + ... + 237755.

It is an arithmetic number, because the mean of its divisors is an integer number (483181200).

Almost surely, 2^12403232430 is an apocalyptic number.

12403232430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12403232430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15461798400).

12403232430 is an abundant number, since it is smaller than the sum of its proper divisors (18520364370).

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

12403232430 is a wasteful number, since it uses less digits than its factorization.

12403232430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59929.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 12403232430 its reverse (3423230421), we get a palindrome (15826462851).

The spelling of 12403232430 in words is "twelve billion, four hundred three million, two hundred thirty-two thousand, four hundred thirty".