143523350121 has 4 divisors (see below), whose sum is σ = 191364466832. Its totient is φ = 95682233412.

The previous prime is 143523350107. The next prime is 143523350123. The reversal of 143523350121 is 121053325341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 143523350121 - 2¹⁸ = 143523087977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (143523350123) 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, 23920558351 + ... + 23920558356.

It is an arithmetic number, because the mean of its divisors is an integer number (47841116708).

Almost surely, 2^143523350121 is an apocalyptic number.

It is an amenable number.

143523350121 is a deficient number, since it is larger than the sum of its proper divisors (47841116711).

143523350121 is an equidigital number, since it uses as much as digits as its factorization.

143523350121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47841116710.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 143523350121 its reverse (121053325341), we get a palindrome (264576675462).

The spelling of 143523350121 in words is "one hundred forty-three billion, five hundred twenty-three million, three hundred fifty thousand, one hundred twenty-one".