123343112342 has 4 divisors (see below), whose sum is σ = 185014668516. Its totient is φ = 61671556170.

The previous prime is 123343112341. The next prime is 123343112353. The reversal of 123343112342 is 243211343321.

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

It is a super-2 number, since 2×123343112342² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123343112341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30835778084 + ... + 30835778087.

It is an arithmetic number, because the mean of its divisors is an integer number (46253667129).

Almost surely, 2^123343112342 is an apocalyptic number.

123343112342 is a deficient number, since it is larger than the sum of its proper divisors (61671556174).

123343112342 is an equidigital number, since it uses as much as digits as its factorization.

123343112342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61671556173.

The product of its digits is 10368, while the sum is 29.

Adding to 123343112342 its reverse (243211343321), we get a palindrome (366554455663).

The spelling of 123343112342 in words is "one hundred twenty-three billion, three hundred forty-three million, one hundred twelve thousand, three hundred forty-two".