12343280878 has 32 divisors (see below), whose sum is σ = 20376541440. Its totient is φ = 5581667520.

The previous prime is 12343280867. The next prime is 12343280879. The reversal of 12343280878 is 87808234321.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12343280879) 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, 441801 + ... + 468907.

It is an arithmetic number, because the mean of its divisors is an integer number (636766920).

Almost surely, 2^12343280878 is an apocalyptic number.

12343280878 is a deficient number, since it is larger than the sum of its proper divisors (8033260562).

12343280878 is a wasteful number, since it uses less digits than its factorization.

12343280878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27672.

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 12343280878 in words is "twelve billion, three hundred forty-three million, two hundred eighty thousand, eight hundred seventy-eight".