12423534360451 has 4 divisors (see below), whose sum is σ = 12460399447912. Its totient is φ = 12386669272992.

The previous prime is 12423534360439. The next prime is 12423534360499. The reversal of 12423534360451 is 15406343532421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12423534360451 - 2¹³ = 12423534352259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12423534360398 and 12423534360407.

It is not an unprimeable number, because it can be changed into a prime (12423534360751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18432543225 + ... + 18432543898.

It is an arithmetic number, because the mean of its divisors is an integer number (3115099861978).

Almost surely, 2^{12423534360451} is an apocalyptic number.

12423534360451 is a deficient number, since it is larger than the sum of its proper divisors (36865087461).

12423534360451 is an equidigital number, since it uses as much as digits as its factorization.

12423534360451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36865087460.

The product of its (nonzero) digits is 1036800, while the sum is 43.

Adding to 12423534360451 its reverse (15406343532421), we get a palindrome (27829877892872).

The spelling of 12423534360451 in words is "twelve trillion, four hundred twenty-three billion, five hundred thirty-four million, three hundred sixty thousand, four hundred fifty-one".