12323135430 has 48 divisors (see below), whose sum is σ = 32339618064. Its totient is φ = 3255455040.

The previous prime is 12323135399. The next prime is 12323135449. The reversal of 12323135430 is 3453132321.

It is a super-2 number, since 2×12323135430² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12323135394 and 12323135403.

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, 630201 + ... + 649460.

It is an arithmetic number, because the mean of its divisors is an integer number (673742043).

Almost surely, 2^12323135430 is an apocalyptic number.

12323135430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12323135430 is an abundant number, since it is smaller than the sum of its proper divisors (20016482634).

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

12323135430 is a wasteful number, since it uses less digits than its factorization.

12323135430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279781 (or 1279778 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 12323135430 its reverse (3453132321), we get a palindrome (15776267751).

The spelling of 12323135430 in words is "twelve billion, three hundred twenty-three million, one hundred thirty-five thousand, four hundred thirty".