1233444042 has 24 divisors (see below), whose sum is σ = 2696116644. Its totient is φ = 407508864.

The previous prime is 1233444019. The next prime is 1233444049. The reversal of 1233444042 is 2404443321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 726248601 + 507195441 = 26949^2 + 22521^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1233443997 and 1233444015.

It is not an unprimeable number, because it can be changed into a prime (1233444049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301173 + ... + 305240.

Almost surely, 2^1233444042 is an apocalyptic number.

1233444042 is an abundant number, since it is smaller than the sum of its proper divisors (1462672602).

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

1233444042 is a wasteful number, since it uses less digits than its factorization.

1233444042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606534 (or 606531 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1233444042 is about 35120.4220077151. The cubic root of 1233444042 is about 1072.4403618198.

Adding to 1233444042 its reverse (2404443321), we get a palindrome (3637887363).

The spelling of 1233444042 in words is "one billion, two hundred thirty-three million, four hundred forty-four thousand, forty-two".