233123423143 has 4 divisors (see below), whose sum is σ = 251055994168. Its totient is φ = 215190852120.

The previous prime is 233123423107. The next prime is 233123423147. The reversal of 233123423143 is 341324321332.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233123423143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233123423147) 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, 8966285493 + ... + 8966285518.

It is an arithmetic number, because the mean of its divisors is an integer number (62763998542).

Almost surely, 2^233123423143 is an apocalyptic number.

233123423143 is a deficient number, since it is larger than the sum of its proper divisors (17932571025).

233123423143 is a wasteful number, since it uses less digits than its factorization.

233123423143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17932571024.

The product of its digits is 31104, while the sum is 31.

Adding to 233123423143 its reverse (341324321332), we get a palindrome (574447744475).

The spelling of 233123423143 in words is "two hundred thirty-three billion, one hundred twenty-three million, four hundred twenty-three thousand, one hundred forty-three".