1123413412104 has 80 divisors (see below), whose sum is σ = 3149333637120. Its totient is φ = 374145544800.

The previous prime is 1123413412103. The next prime is 1123413412157. The reversal of 1123413412104 is 4012143143211.

It is a happy number.

1123413412104 is a `hidden beast` number, since 1 + 1 + 234 + 1 + 3 + 412 + 10 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1123413412103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7264 + ... + 1498959.

It is an arithmetic number, because the mean of its divisors is an integer number (39366670464).

Almost surely, 2^{1123413412104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123413412104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1574666818560).

1123413412104 is an abundant number, since it is smaller than the sum of its proper divisors (2025920225016).

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

1123413412104 is a wasteful number, since it uses less digits than its factorization.

1123413412104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507392 (or 1507379 counting only the distinct ones).

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

Adding to 1123413412104 its reverse (4012143143211), we get a palindrome (5135556555315).

The spelling of 1123413412104 in words is "one trillion, one hundred twenty-three billion, four hundred thirteen million, four hundred twelve thousand, one hundred four".