12423114551 has 4 divisors (see below), whose sum is σ = 12470350992. Its totient is φ = 12375878112.

The previous prime is 12423114547. The next prime is 12423114593. The reversal of 12423114551 is 15541132421.

It is a happy number.

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 12423114551 - 2² = 12423114547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423110551) 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, 23617826 + ... + 23618351.

It is an arithmetic number, because the mean of its divisors is an integer number (3117587748).

Almost surely, 2^12423114551 is an apocalyptic number.

12423114551 is a deficient number, since it is larger than the sum of its proper divisors (47236441).

12423114551 is an equidigital number, since it uses as much as digits as its factorization.

12423114551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47236440.

The product of its digits is 4800, while the sum is 29.

Adding to 12423114551 its reverse (15541132421), we get a palindrome (27964246972).

The spelling of 12423114551 in words is "twelve billion, four hundred twenty-three million, one hundred fourteen thousand, five hundred fifty-one".