1233433140 has 24 divisors (see below), whose sum is σ = 3453612960. Its totient is φ = 328915488.

The previous prime is 1233433129. The next prime is 1233433169. The reversal of 1233433140 is 413343321.

It is a self number, because there is not a number n which added to its sum of digits gives 1233433140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10278550 + ... + 10278669.

It is an arithmetic number, because the mean of its divisors is an integer number (143900540).

Almost surely, 2^1233433140 is an apocalyptic number.

1233433140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233433140 is an abundant number, since it is smaller than the sum of its proper divisors (2220179820).

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

1233433140 is a wasteful number, since it uses less digits than its factorization.

1233433140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20557231 (or 20557229 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 1233433140 is about 35120.2667985310. The cubic root of 1233433140 is about 1072.4372021631.

Adding to 1233433140 its reverse (413343321), we get a palindrome (1646776461).

The spelling of 1233433140 in words is "one billion, two hundred thirty-three million, four hundred thirty-three thousand, one hundred forty".