123766423475 has 24 divisors (see below), whose sum is σ = 155056764720. Its totient is φ = 97991752320.

The previous prime is 123766423471. The next prime is 123766423477. The reversal of 123766423475 is 574324667321.

It is not a de Polignac number, because 123766423475 - 2² = 123766423471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123766423471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2380457 + ... + 2431893.

It is an arithmetic number, because the mean of its divisors is an integer number (6460698530).

Almost surely, 2^123766423475 is an apocalyptic number.

123766423475 is a deficient number, since it is larger than the sum of its proper divisors (31290341245).

123766423475 is a wasteful number, since it uses less digits than its factorization.

123766423475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52439 (or 52434 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 50.

The spelling of 123766423475 in words is "one hundred twenty-three billion, seven hundred sixty-six million, four hundred twenty-three thousand, four hundred seventy-five".