123232143 has 8 divisors (see below), whose sum is σ = 165136000. Its totient is φ = 81741528.

The previous prime is 123232141. The next prime is 123232147. The reversal of 123232143 is 341232321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123232143 - 2¹ = 123232141 is a prime.

It is a super-2 number, since 2×123232143² = 30372322136744898, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123232141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102613 + ... + 103806.

It is an arithmetic number, because the mean of its divisors is an integer number (20642000).

Almost surely, 2^123232143 is an apocalyptic number.

123232143 is a deficient number, since it is larger than the sum of its proper divisors (41903857).

123232143 is a wasteful number, since it uses less digits than its factorization.

123232143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206621.

The product of its digits is 864, while the sum is 21.

The square root of 123232143 is about 11100.9973876224. The cubic root of 123232143 is about 497.6316569479.

Adding to 123232143 its reverse (341232321), we get a palindrome (464464464).

The spelling of 123232143 in words is "one hundred twenty-three million, two hundred thirty-two thousand, one hundred forty-three".