1123424021400 has 48 divisors (see below), whose sum is σ = 3482614468200. Its totient is φ = 299579738880.

The previous prime is 1123424021381. The next prime is 1123424021429. The reversal of 1123424021400 is 41204243211.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 936186085 + ... + 936187284.

Almost surely, 2^{1123424021400} is an apocalyptic number.

1123424021400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123424021400 is an abundant number, since it is smaller than the sum of its proper divisors (2359190446800).

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

1123424021400 is a wasteful number, since it uses less digits than its factorization.

1123424021400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872373388 (or 1872373379 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1123424021400 its reverse (41204243211), we get a palindrome (1164628264611).

The spelling of 1123424021400 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-four million, twenty-one thousand, four hundred".