1223040024 has 48 divisors (see below), whose sum is σ = 3419257920. Its totient is φ = 394528320.

The previous prime is 1223040023. The next prime is 1223040037. The reversal of 1223040024 is 4200403221.

1223040024 is a `hidden beast` number, since 12 + 230 + 400 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1223039979 and 1223040006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223040023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271747 + ... + 276210.

It is an arithmetic number, because the mean of its divisors is an integer number (71234540).

Almost surely, 2^1223040024 is an apocalyptic number.

It is an amenable number.

1223040024 is an abundant number, since it is smaller than the sum of its proper divisors (2196217896).

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

1223040024 is a wasteful number, since it uses less digits than its factorization.

1223040024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548000 (or 547993 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1223040024 is about 34971.9891341628. The cubic root of 1223040024 is about 1069.4165229478.

Adding to 1223040024 its reverse (4200403221), we get a palindrome (5423443245).

The spelling of 1223040024 in words is "one billion, two hundred twenty-three million, forty thousand, twenty-four".