230403115143 has 40 divisors (see below), whose sum is σ = 355451644416. Its totient is φ = 148577490000.

The previous prime is 230403115141. The next prime is 230403115147. The reversal of 230403115143 is 341511304032.

It is a happy number.

230403115143 is a `hidden beast` number, since 2 + 3 + 0 + 403 + 115 + 143 = 666.

It is not a de Polignac number, because 230403115143 - 2¹ = 230403115141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230403115141) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5631880 + ... + 5672642.

Almost surely, 2^230403115143 is an apocalyptic number.

230403115143 is a deficient number, since it is larger than the sum of its proper divisors (125048529273).

230403115143 is a wasteful number, since it uses less digits than its factorization.

230403115143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43057 (or 43048 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 230403115143 its reverse (341511304032), we get a palindrome (571914419175).

The spelling of 230403115143 in words is "two hundred thirty billion, four hundred three million, one hundred fifteen thousand, one hundred forty-three".