233404542 has 36 divisors (see below), whose sum is σ = 588276936. Its totient is φ = 66686760.

The previous prime is 233404541. The next prime is 233404583. The reversal of 233404542 is 245404332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233404541) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 131434 + ... + 133197.

It is an arithmetic number, because the mean of its divisors is an integer number (16341026).

Almost surely, 2^233404542 is an apocalyptic number.

233404542 is an abundant number, since it is smaller than the sum of its proper divisors (354872394).

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

233404542 is a wasteful number, since it uses less digits than its factorization.

233404542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264653 (or 264643 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 233404542 is about 15277.5829894653. The cubic root of 233404542 is about 615.7008706066.

Adding to 233404542 its reverse (245404332), we get a palindrome (478808874).

The spelling of 233404542 in words is "two hundred thirty-three million, four hundred four thousand, five hundred forty-two".