1123424021424 has 20 divisors (see below), whose sum is σ = 2902178722136. Its totient is φ = 374474673792.

The previous prime is 1123424021381. The next prime is 1123424021429. The reversal of 1123424021424 is 4241204243211.

It is a junction number, because it is equal to n+sod(n) for n = 1123424021391 and 1123424021400.

It is not an unprimeable number, because it can be changed into a prime (1123424021429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11702333509 + ... + 11702333604.

Almost surely, 2^{1123424021424} is an apocalyptic number.

It is an amenable number.

1123424021424 is an abundant number, since it is smaller than the sum of its proper divisors (1778754700712).

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

1123424021424 is a wasteful number, since it uses less digits than its factorization.

1123424021424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23404667124 (or 23404667118 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1123424021424 its reverse (4241204243211), we get a palindrome (5364628264635).

The spelling of 1123424021424 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-four million, twenty-one thousand, four hundred twenty-four".