143233540423 has 4 divisors (see below), whose sum is σ = 143298033208. Its totient is φ = 143169047640.

The previous prime is 143233540393. The next prime is 143233540427. The reversal of 143233540423 is 324045332341.

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 143233540423 - 2¹³ = 143233532231 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 (143233540427) 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, 32243061 + ... + 32247502.

It is an arithmetic number, because the mean of its divisors is an integer number (35824508302).

Almost surely, 2^143233540423 is an apocalyptic number.

143233540423 is a deficient number, since it is larger than the sum of its proper divisors (64492785).

143233540423 is an equidigital number, since it uses as much as digits as its factorization.

143233540423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64492784.

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 143233540423 its reverse (324045332341), we get a palindrome (467278872764).

The spelling of 143233540423 in words is "one hundred forty-three billion, two hundred thirty-three million, five hundred forty thousand, four hundred twenty-three".