233223143444442 has 32 divisors (see below), whose sum is σ = 519663125741760. Its totient is φ = 77532626768400.

The previous prime is 233223143444411. The next prime is 233223143444567. The reversal of 233223143444442 is 244444341322332.

233223143444442 is a `hidden beast` number, since 2 + 3 + 3 + 2 + 23 + 143 + 4 + 44 + 442 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5789453184 + ... + 5789493467.

It is an arithmetic number, because the mean of its divisors is an integer number (16239472679430).

Almost surely, 2^{233223143444442} is an apocalyptic number.

233223143444442 is an abundant number, since it is smaller than the sum of its proper divisors (286439982297318).

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

233223143444442 is a wasteful number, since it uses less digits than its factorization.

233223143444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11578947035 (or 11578947029 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 45.

Adding to 233223143444442 its reverse (244444341322332), we get a palindrome (477667484766774).

The spelling of 233223143444442 in words is "two hundred thirty-three trillion, two hundred twenty-three billion, one hundred forty-three million, four hundred forty-four thousand, four hundred forty-two".