123132543 has 8 divisors (see below), whose sum is σ = 165037056. Its totient is φ = 81658200.

The previous prime is 123132523. The next prime is 123132551. The reversal of 123132543 is 345231321.

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

It is not a de Polignac number, because 123132543 - 2²¹ = 121035391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123132523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106873 + ... + 108018.

It is an arithmetic number, because the mean of its divisors is an integer number (20629632).

Almost surely, 2^123132543 is an apocalyptic number.

123132543 is a deficient number, since it is larger than the sum of its proper divisors (41904513).

123132543 is a wasteful number, since it uses less digits than its factorization.

123132543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215085.

The product of its digits is 2160, while the sum is 24.

The square root of 123132543 is about 11096.5103974177. The cubic root of 123132543 is about 497.4975537534.

Adding to 123132543 its reverse (345231321), we get a palindrome (468363864).

The spelling of 123132543 in words is "one hundred twenty-three million, one hundred thirty-two thousand, five hundred forty-three".