1233404432 has 80 divisors (see below), whose sum is σ = 2648997120. Its totient is φ = 552738816.

The previous prime is 1233404413. The next prime is 1233404449. The reversal of 1233404432 is 2344043321.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 2137328 + ... + 2137904.

It is an arithmetic number, because the mean of its divisors is an integer number (33112464).

Almost surely, 2^1233404432 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 1233404432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1324498560).

1233404432 is an abundant number, since it is smaller than the sum of its proper divisors (1415592688).

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

1233404432 is a wasteful number, since it uses less digits than its factorization.

1233404432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 1233404432 is about 35119.8580862736. The cubic root of 1233404432 is about 1072.4288818186.

Adding to 1233404432 its reverse (2344043321), we get a palindrome (3577447753).

The spelling of 1233404432 in words is "one billion, two hundred thirty-three million, four hundred four thousand, four hundred thirty-two".