234402112143 has 8 divisors (see below), whose sum is σ = 347262388400. Its totient is φ = 156268074744.

The previous prime is 234402112123. The next prime is 234402112157. The reversal of 234402112143 is 341211204432.

234402112143 is a `hidden beast` number, since 2 + 3 + 4 + 402 + 112 + 143 = 666.

It is not a de Polignac number, because 234402112143 - 2¹² = 234402108047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8681559709 = 234402112143 / (2 + 3 + 4 + 4 + 0 + 2 + 1 + 1 + 2 + 1 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234402112123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4340779828 + ... + 4340779881.

It is an arithmetic number, because the mean of its divisors is an integer number (43407798550).

Almost surely, 2^234402112143 is an apocalyptic number.

234402112143 is a deficient number, since it is larger than the sum of its proper divisors (112860276257).

234402112143 is an equidigital number, since it uses as much as digits as its factorization.

234402112143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8681559718 (or 8681559712 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 234402112143 its reverse (341211204432), we get a palindrome (575613316575).

The spelling of 234402112143 in words is "two hundred thirty-four billion, four hundred two million, one hundred twelve thousand, one hundred forty-three".