123231304143 has 12 divisors (see below), whose sum is σ = 178020381240. Its totient is φ = 82145152656.

The previous prime is 123231304139. The next prime is 123231304159. The reversal of 123231304143 is 341403132321.

It is a happy number.

123231304143 is a `hidden beast` number, since 1 + 232 + 3 + 13 + 0 + 414 + 3 = 666.

It is not a de Polignac number, because 123231304143 - 2² = 123231304139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123231304103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667413 + ... + 831806.

It is an arithmetic number, because the mean of its divisors is an integer number (14835031770).

Almost surely, 2^123231304143 is an apocalyptic number.

123231304143 is a deficient number, since it is larger than the sum of its proper divisors (54789077097).

123231304143 is a wasteful number, since it uses less digits than its factorization.

123231304143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508358 (or 1508355 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 123231304143 its reverse (341403132321), we get a palindrome (464634436464).

The spelling of 123231304143 in words is "one hundred twenty-three billion, two hundred thirty-one million, three hundred four thousand, one hundred forty-three".