233430140143 has 4 divisors (see below), whose sum is σ = 234122811520. Its totient is φ = 232737468768.

The previous prime is 233430140137. The next prime is 233430140231. The reversal of 233430140143 is 341041034332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 233430140143 - 2¹³ = 233430131951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233430143143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346335183 + ... + 346335856.

It is an arithmetic number, because the mean of its divisors is an integer number (58530702880).

Almost surely, 2^233430140143 is an apocalyptic number.

233430140143 is a deficient number, since it is larger than the sum of its proper divisors (692671377).

233430140143 is an equidigital number, since it uses as much as digits as its factorization.

233430140143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692671376.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 233430140143 its reverse (341041034332), we get a palindrome (574471174475).

The spelling of 233430140143 in words is "two hundred thirty-three billion, four hundred thirty million, one hundred forty thousand, one hundred forty-three".