1223850240 has 432 divisors, whose sum is σ = 4591641600. Its totient is φ = 300072960.

The previous prime is 1223850203. The next prime is 1223850253. The reversal of 1223850240 is 420583221.

1223850240 is a `hidden beast` number, since 122 + 38 + 502 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8213686 + ... + 8213834.

It is an arithmetic number, because the mean of its divisors is an integer number (10628800).

Almost surely, 2^1223850240 is an apocalyptic number.

1223850240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223850240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2295820800).

1223850240 is an abundant number, since it is smaller than the sum of its proper divisors (3367791360).

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

1223850240 is a wasteful number, since it uses less digits than its factorization.

1223850240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1223850240 is about 34983.5710012571. The cubic root of 1223850240 is about 1069.6526196411.

The spelling of 1223850240 in words is "one billion, two hundred twenty-three million, eight hundred fifty thousand, two hundred forty".