123004006347 has 4 divisors (see below), whose sum is σ = 164005341800. Its totient is φ = 82002670896.

The previous prime is 123004006331. The next prime is 123004006357. The reversal of 123004006347 is 743600400321.

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

It is not a de Polignac number, because 123004006347 - 2⁴ = 123004006331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123004006327) 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, 20500667722 + ... + 20500667727.

It is an arithmetic number, because the mean of its divisors is an integer number (41001335450).

Almost surely, 2^123004006347 is an apocalyptic number.

123004006347 is a deficient number, since it is larger than the sum of its proper divisors (41001335453).

123004006347 is an equidigital number, since it uses as much as digits as its factorization.

123004006347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41001335452.

The product of its (nonzero) digits is 12096, while the sum is 30.

Adding to 123004006347 its reverse (743600400321), we get a palindrome (866604406668).

The spelling of 123004006347 in words is "one hundred twenty-three billion, four million, six thousand, three hundred forty-seven".