233120042442 has 64 divisors (see below), whose sum is σ = 623211494400. Its totient is φ = 63100159920.

The previous prime is 233120042431. The next prime is 233120042459. The reversal of 233120042442 is 244240021332.

233120042442 is a `hidden beast` number, since 2 + 3 + 31 + 200 + 424 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16222284 + ... + 16236647.

It is an arithmetic number, because the mean of its divisors is an integer number (9737679600).

Almost surely, 2^233120042442 is an apocalyptic number.

233120042442 is an abundant number, since it is smaller than the sum of its proper divisors (390091451958).

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

233120042442 is a wasteful number, since it uses less digits than its factorization.

233120042442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32458968 (or 32458962 counting only the distinct ones).

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

Adding to 233120042442 its reverse (244240021332), we get a palindrome (477360063774).

The spelling of 233120042442 in words is "two hundred thirty-three billion, one hundred twenty million, forty-two thousand, four hundred forty-two".