12423534360450 has 96 divisors (see below), whose sum is σ = 32626318281984. Its totient is φ = 3117721482240.

The previous prime is 12423534360439. The next prime is 12423534360499. The reversal of 12423534360450 is 5406343532421.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23393767 + ... + 23918933.

It is an arithmetic number, because the mean of its divisors is an integer number (339857482104).

Almost surely, 2^{12423534360450} is an apocalyptic number.

12423534360450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12423534360450 is an abundant number, since it is smaller than the sum of its proper divisors (20202783921534).

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

12423534360450 is a wasteful number, since it uses less digits than its factorization.

12423534360450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534476 (or 534471 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 12423534360450 its reverse (5406343532421), we get a palindrome (17829877892871).

The spelling of 12423534360450 in words is "twelve trillion, four hundred twenty-three billion, five hundred thirty-four million, three hundred sixty thousand, four hundred fifty".