1232235240 has 64 divisors (see below), whose sum is σ = 3707424000. Its totient is φ = 327643392.

The previous prime is 1232235229. The next prime is 1232235241. The reversal of 1232235240 is 425322321.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1232235240.

It is not an unprimeable number, because it can be changed into a prime (1232235241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27169 + ... + 56591.

It is an arithmetic number, because the mean of its divisors is an integer number (57928500).

Almost surely, 2^1232235240 is an apocalyptic number.

1232235240 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 1232235240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1853712000).

1232235240 is an abundant number, since it is smaller than the sum of its proper divisors (2475188760).

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

1232235240 is a wasteful number, since it uses less digits than its factorization.

1232235240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29786 (or 29782 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1232235240 is about 35103.2084003727. The cubic root of 1232235240 is about 1072.0899090144.

Adding to 1232235240 its reverse (425322321), we get a palindrome (1657557561).

The spelling of 1232235240 in words is "one billion, two hundred thirty-two million, two hundred thirty-five thousand, two hundred forty".