123541404 has 48 divisors (see below), whose sum is σ = 333973248. Its totient is φ = 34812288.

The previous prime is 123541403. The next prime is 123541459. The reversal of 123541404 is 404145321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123541403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3942 + ... + 16205.

It is an arithmetic number, because the mean of its divisors is an integer number (6957776).

Almost surely, 2^123541404 is an apocalyptic number.

123541404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123541404 is an abundant number, since it is smaller than the sum of its proper divisors (210431844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123541404 is a wasteful number, since it uses less digits than its factorization.

123541404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20234 (or 20232 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 123541404 is about 11114.9180833689. The cubic root of 123541404 is about 498.0475914583.

Adding to 123541404 its reverse (404145321), we get a palindrome (527686725).

The spelling of 123541404 in words is "one hundred twenty-three million, five hundred forty-one thousand, four hundred four".