1232232420 has 144 divisors (see below), whose sum is σ = 3694904640. Its totient is φ = 306763776.

The previous prime is 1232232413. The next prime is 1232232431. The reversal of 1232232420 is 242322321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3103662 + ... + 3104058.

It is an arithmetic number, because the mean of its divisors is an integer number (25659060).

Almost surely, 2^1232232420 is an apocalyptic number.

1232232420 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 1232232420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1847452320).

1232232420 is an abundant number, since it is smaller than the sum of its proper divisors (2462672220).

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

1232232420 is a wasteful number, since it uses less digits than its factorization.

1232232420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1232232420 is about 35103.1682330812. The cubic root of 1232232420 is about 1072.0890911792.

Adding to 1232232420 its reverse (242322321), we get a palindrome (1474554741).

The spelling of 1232232420 in words is "one billion, two hundred thirty-two million, two hundred thirty-two thousand, four hundred twenty".