12343421352 has 32 divisors (see below), whose sum is σ = 30866654880. Its totient is φ = 4113393600.

The previous prime is 12343421347. The next prime is 12343421411. The reversal of 12343421352 is 25312434321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28602 + ... + 159702.

It is an arithmetic number, because the mean of its divisors is an integer number (964582965).

Almost surely, 2^12343421352 is an apocalyptic number.

12343421352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12343421352 is an abundant number, since it is smaller than the sum of its proper divisors (18523233528).

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

12343421352 is a wasteful number, since it uses less digits than its factorization.

12343421352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135033 (or 135029 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

Adding to 12343421352 its reverse (25312434321), we get a palindrome (37655855673).

The spelling of 12343421352 in words is "twelve billion, three hundred forty-three million, four hundred twenty-one thousand, three hundred fifty-two".