123475423546 has 32 divisors (see below), whose sum is σ = 187826325120. Its totient is φ = 60872328000.

The previous prime is 123475423541. The next prime is 123475423609. The reversal of 123475423546 is 645324574321.

It is a junction number, because it is equal to n+sod(n) for n = 123475423496 and 123475423505.

It is not an unprimeable number, because it can be changed into a prime (123475423541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81716931 + ... + 81718441.

It is an arithmetic number, because the mean of its divisors is an integer number (5869572660).

Almost surely, 2^123475423546 is an apocalyptic number.

123475423546 is a deficient number, since it is larger than the sum of its proper divisors (64350901574).

123475423546 is a wasteful number, since it uses less digits than its factorization.

123475423546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030.

The product of its digits is 2419200, while the sum is 46.

Adding to 123475423546 its reverse (645324574321), we get a palindrome (768799997867).

The spelling of 123475423546 in words is "one hundred twenty-three billion, four hundred seventy-five million, four hundred twenty-three thousand, five hundred forty-six".