1223240032 has 96 divisors (see below), whose sum is σ = 2936424960. Its totient is φ = 489646080.

The previous prime is 1223240021. The next prime is 1223240047. The reversal of 1223240032 is 2300423221.

It is a super-2 number, since 2×1223240032² = 2992632351774722048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1223239991 and 1223240009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528157 + ... + 530467.

It is an arithmetic number, because the mean of its divisors is an integer number (30587760).

Almost surely, 2^1223240032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223240032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1468212480).

1223240032 is an abundant number, since it is smaller than the sum of its proper divisors (1713184928).

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

1223240032 is a wasteful number, since it uses less digits than its factorization.

1223240032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484 (or 2476 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1223240032 is about 34974.8485629316. The cubic root of 1223240032 is about 1069.4748149080.

Adding to 1223240032 its reverse (2300423221), we get a palindrome (3523663253).

The spelling of 1223240032 in words is "one billion, two hundred twenty-three million, two hundred forty thousand, thirty-two".