1123423224400 has 60 divisors (see below), whose sum is σ = 2744770528800. Its totient is φ = 441752851840.

The previous prime is 1123423224389. The next prime is 1123423224449. The reversal of 1123423224400 is 44223243211.

It is a super-2 number, since 2×1123423224400² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23777740 + ... + 23824939.

It is an arithmetic number, because the mean of its divisors is an integer number (45746175480).

Almost surely, 2^{1123423224400} is an apocalyptic number.

1123423224400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123423224400 is an abundant number, since it is smaller than the sum of its proper divisors (1621347304400).

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

1123423224400 is a wasteful number, since it uses less digits than its factorization.

1123423224400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47602756 (or 47602745 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1123423224400 its reverse (44223243211), we get a palindrome (1167646467611).

The spelling of 1123423224400 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-three million, two hundred twenty-four thousand, four hundred".