123547423327 has 4 divisors (see below), whose sum is σ = 125878506840. Its totient is φ = 121216339816.

The previous prime is 123547423303. The next prime is 123547423421. The reversal of 123547423327 is 723324745321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 723324745321 = 811 ⋅891892411.

It is a cyclic number.

It is not a de Polignac number, because 123547423327 - 2¹⁹ = 123546899039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123547423627) 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, 1165541677 + ... + 1165541782.

It is an arithmetic number, because the mean of its divisors is an integer number (31469626710).

Almost surely, 2^123547423327 is an apocalyptic number.

123547423327 is a deficient number, since it is larger than the sum of its proper divisors (2331083513).

123547423327 is an equidigital number, since it uses as much as digits as its factorization.

123547423327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331083512.

The product of its digits is 846720, while the sum is 43.

The spelling of 123547423327 in words is "one hundred twenty-three billion, five hundred forty-seven million, four hundred twenty-three thousand, three hundred twenty-seven".