12343112455450 has 48 divisors (see below), whose sum is σ = 26238863283840. Its totient is φ = 4231773817920.

The previous prime is 12343112455403. The next prime is 12343112455459. The reversal of 12343112455450 is 5455421134321.

It is not an unprimeable number, because it can be changed into a prime (12343112455459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9463659 + ... + 10688641.

It is an arithmetic number, because the mean of its divisors is an integer number (546642985080).

Almost surely, 2^{12343112455450} is an apocalyptic number.

12343112455450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12343112455450 is an abundant number, since it is smaller than the sum of its proper divisors (13895750828390).

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

12343112455450 is a wasteful number, since it uses less digits than its factorization.

12343112455450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253791 (or 1253786 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 12343112455450 its reverse (5455421134321), we get a palindrome (17798533589771).

The spelling of 12343112455450 in words is "twelve trillion, three hundred forty-three billion, one hundred twelve million, four hundred fifty-five thousand, four hundred fifty".