1123423314040 has 64 divisors (see below), whose sum is σ = 2569380147360. Its totient is φ = 441961336320.

The previous prime is 1123423314037. The next prime is 1123423314049. The reversal of 1123423314040 is 404133243211.

It is a happy number.

It is a super-2 number, since 2×1123423314040² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123423314049) 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, 49147254 + ... + 49170106.

Almost surely, 2^{1123423314040} is an apocalyptic number.

1123423314040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123423314040 is an abundant number, since it is smaller than the sum of its proper divisors (1445956833320).

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

1123423314040 is a wasteful number, since it uses less digits than its factorization.

1123423314040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43072 (or 43068 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1123423314040 its reverse (404133243211), we get a palindrome (1527556557251).

The spelling of 1123423314040 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-three million, three hundred fourteen thousand, forty".