233042004 has 72 divisors (see below), whose sum is σ = 654897152. Its totient is φ = 69387840.

The previous prime is 233041997. The next prime is 233042009. The reversal of 233042004 is 400240332.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233042009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6477 + ... + 22539.

Almost surely, 2^233042004 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 233042004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327448576).

233042004 is an abundant number, since it is smaller than the sum of its proper divisors (421855148).

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

233042004 is a wasteful number, since it uses less digits than its factorization.

233042004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16117 (or 16112 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 233042004 is about 15265.7133472367. The cubic root of 233042004 is about 615.3819241821.

Adding to 233042004 its reverse (400240332), we get a palindrome (633282336).

The spelling of 233042004 in words is "two hundred thirty-three million, forty-two thousand, four".