123533574427 has 4 divisors (see below), whose sum is σ = 125864396640. Its totient is φ = 121202752216.

The previous prime is 123533574419. The next prime is 123533574457. The reversal of 123533574427 is 724475335321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724475335321 = 7937 ⋅91278233.

It is a cyclic number.

It is not a de Polignac number, because 123533574427 - 2³ = 123533574419 is a prime.

It is a super-2 number, since 2×123533574427² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123533574407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165411027 + ... + 1165411132.

It is an arithmetic number, because the mean of its divisors is an integer number (31466099160).

Almost surely, 2^123533574427 is an apocalyptic number.

123533574427 is a deficient number, since it is larger than the sum of its proper divisors (2330822213).

123533574427 is an equidigital number, since it uses as much as digits as its factorization.

123533574427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330822212.

The product of its digits is 2116800, while the sum is 46.

The spelling of 123533574427 in words is "one hundred twenty-three billion, five hundred thirty-three million, five hundred seventy-four thousand, four hundred twenty-seven".