12343235042 has 4 divisors (see below), whose sum is σ = 18514852566. Its totient is φ = 6171617520.

The previous prime is 12343235027. The next prime is 12343235053. The reversal of 12343235042 is 24053234321.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 9449978521 + 2893256521 = 97211^2 + 53789^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12343234996 and 12343235014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3085808759 + ... + 3085808762.

Almost surely, 2^12343235042 is an apocalyptic number.

12343235042 is a deficient number, since it is larger than the sum of its proper divisors (6171617524).

12343235042 is an equidigital number, since it uses as much as digits as its factorization.

12343235042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6171617523.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 12343235042 its reverse (24053234321), we get a palindrome (36396469363).

The spelling of 12343235042 in words is "twelve billion, three hundred forty-three million, two hundred thirty-five thousand, forty-two".