123163355347 has 4 divisors (see below), whose sum is σ = 123674406856. Its totient is φ = 122652303840.

The previous prime is 123163355333. The next prime is 123163355383. The reversal of 123163355347 is 743553361321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 123163355347 - 2⁷ = 123163355219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123163355327) 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, 255525393 + ... + 255525874.

It is an arithmetic number, because the mean of its divisors is an integer number (30918601714).

Almost surely, 2^123163355347 is an apocalyptic number.

123163355347 is a deficient number, since it is larger than the sum of its proper divisors (511051509).

123163355347 is an equidigital number, since it uses as much as digits as its factorization.

123163355347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511051508.

The product of its digits is 680400, while the sum is 43.

The spelling of 123163355347 in words is "one hundred twenty-three billion, one hundred sixty-three million, three hundred fifty-five thousand, three hundred forty-seven".