123404140033424 has 40 divisors (see below), whose sum is σ = 242485233076800. Its totient is φ = 60827464611200.

The previous prime is 123404140033367. The next prime is 123404140033429. The reversal of 123404140033424 is 424330041404321.

It is not an unprimeable number, because it can be changed into a prime (123404140033429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7477319 + ... + 17398809.

It is an arithmetic number, because the mean of its divisors is an integer number (6062130826920).

Almost surely, 2^{123404140033424} is an apocalyptic number.

It is an amenable number.

123404140033424 is a deficient number, since it is larger than the sum of its proper divisors (119081093043376).

123404140033424 is a wasteful number, since it uses less digits than its factorization.

123404140033424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9932519 (or 9932513 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 123404140033424 its reverse (424330041404321), we get a palindrome (547734181437745).

The spelling of 123404140033424 in words is "one hundred twenty-three trillion, four hundred four billion, one hundred forty million, thirty-three thousand, four hundred twenty-four".