13641474123 has 12 divisors (see below), whose sum is σ = 19775489968. Its totient is φ = 9061482960.

The previous prime is 13641474071. The next prime is 13641474127. The reversal of 13641474123 is 32147414631.

13641474123 is a `hidden beast` number, since 1 + 3 + 64 + 1 + 474 + 123 = 666.

It is not a de Polignac number, because 13641474123 - 2²² = 13637279819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13641474127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2733463 + ... + 2738448.

Almost surely, 2^13641474123 is an apocalyptic number.

13641474123 is a deficient number, since it is larger than the sum of its proper divisors (6134015845).

13641474123 is a wasteful number, since it uses less digits than its factorization.

13641474123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5472194 (or 5472191 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

Adding to 13641474123 its reverse (32147414631), we get a palindrome (45788888754).

The spelling of 13641474123 in words is "thirteen billion, six hundred forty-one million, four hundred seventy-four thousand, one hundred twenty-three".