1123410440420 has 96 divisors (see below), whose sum is σ = 2384807443200. Its totient is φ = 444512422400.

The previous prime is 1123410440407. The next prime is 1123410440423. The reversal of 1123410440420 is 240440143211.

It is a self number, because there is not a number n which added to its sum of digits gives 1123410440420.

It is not an unprimeable number, because it can be changed into a prime (1123410440423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 914084366 + ... + 914085594.

It is an arithmetic number, because the mean of its divisors is an integer number (24841744200).

Almost surely, 2^{1123410440420} is an apocalyptic number.

1123410440420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123410440420 is an abundant number, since it is smaller than the sum of its proper divisors (1261397002780).

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

1123410440420 is a wasteful number, since it uses less digits than its factorization.

1123410440420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549 (or 2547 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1123410440420 its reverse (240440143211), we get a palindrome (1363850583631).

The spelling of 1123410440420 in words is "one trillion, one hundred twenty-three billion, four hundred ten million, four hundred forty thousand, four hundred twenty".