123354271147 has 4 divisors (see below), whose sum is σ = 127333441216. Its totient is φ = 119375101080.

The previous prime is 123354271133. The next prime is 123354271151. The reversal of 123354271147 is 741172453321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741172453321 = 1087 ⋅681851383.

It is a cyclic number.

It is not a de Polignac number, because 123354271147 - 2²⁷ = 123220053419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123354271847) 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, 1989584988 + ... + 1989585049.

It is an arithmetic number, because the mean of its divisors is an integer number (31833360304).

Almost surely, 2^123354271147 is an apocalyptic number.

123354271147 is a deficient number, since it is larger than the sum of its proper divisors (3979170069).

123354271147 is an equidigital number, since it uses as much as digits as its factorization.

123354271147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979170068.

The product of its digits is 141120, while the sum is 40.

The spelling of 123354271147 in words is "one hundred twenty-three billion, three hundred fifty-four million, two hundred seventy-one thousand, one hundred forty-seven".