230354135143 has 24 divisors (see below), whose sum is σ = 263121667200. Its totient is φ = 201296990400.

The previous prime is 230354135129. The next prime is 230354135153. The reversal of 230354135143 is 341531453032.

It is not a de Polignac number, because 230354135143 - 2²¹ = 230352037991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230354135099 and 230354135108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230354135113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 352821 + ... + 764977.

It is an arithmetic number, because the mean of its divisors is an integer number (10963402800).

Almost surely, 2^230354135143 is an apocalyptic number.

230354135143 is a deficient number, since it is larger than the sum of its proper divisors (32767532057).

230354135143 is a wasteful number, since it uses less digits than its factorization.

230354135143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412359 (or 412348 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 230354135143 its reverse (341531453032), we get a palindrome (571885588175).

The spelling of 230354135143 in words is "two hundred thirty billion, three hundred fifty-four million, one hundred thirty-five thousand, one hundred forty-three".