12430023551 has 16 divisors (see below), whose sum is σ = 13655157120. Its totient is φ = 11221008480.

The previous prime is 12430023533. The next prime is 12430023559. The reversal of 12430023551 is 15532003421.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-12430023551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12430023551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12430023559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985040 + ... + 997578.

It is an arithmetic number, because the mean of its divisors is an integer number (853447320).

Almost surely, 2^12430023551 is an apocalyptic number.

12430023551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12430023551 is a deficient number, since it is larger than the sum of its proper divisors (1225133569).

12430023551 is a wasteful number, since it uses less digits than its factorization.

12430023551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13174.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 12430023551 its reverse (15532003421), we get a palindrome (27962026972).

The spelling of 12430023551 in words is "twelve billion, four hundred thirty million, twenty-three thousand, five hundred fifty-one".