1113421404123 has 48 divisors (see below), whose sum is σ = 1879340875776. Its totient is φ = 621972336960.

The previous prime is 1113421404107. The next prime is 1113421404143. The reversal of 1113421404123 is 3214041243111.

It is a happy number.

1113421404123 is a `hidden beast` number, since 1 + 1 + 1 + 34 + 214 + 0 + 412 + 3 = 666.

It is not a de Polignac number, because 1113421404123 - 2⁴ = 1113421404107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113421404143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2305318 + ... + 2746148.

It is an arithmetic number, because the mean of its divisors is an integer number (39152934912).

Almost surely, 2^{1113421404123} is an apocalyptic number.

1113421404123 is a deficient number, since it is larger than the sum of its proper divisors (765919471653).

1113421404123 is a wasteful number, since it uses less digits than its factorization.

1113421404123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441744 (or 441741 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 1113421404123 its reverse (3214041243111), we get a palindrome (4327462647234).

The spelling of 1113421404123 in words is "one trillion, one hundred thirteen billion, four hundred twenty-one million, four hundred four thousand, one hundred twenty-three".