123676543 has 8 divisors (see below), whose sum is σ = 129314016. Its totient is φ = 118060800.

The previous prime is 123676519. The next prime is 123676559. The reversal of 123676543 is 345676321.

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

It is a cyclic number.

It is not a de Polignac number, because 123676543 - 2⁹ = 123676031 is a prime.

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 (123676583) 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, 6823 + ... + 17143.

It is an arithmetic number, because the mean of its divisors is an integer number (16164252).

Almost surely, 2^123676543 is an apocalyptic number.

123676543 is a deficient number, since it is larger than the sum of its proper divisors (5637473).

123676543 is a wasteful number, since it uses less digits than its factorization.

123676543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10865.

The product of its digits is 90720, while the sum is 37.

The square root of 123676543 is about 11120.9955939205. The cubic root of 123676543 is about 498.2291260824.

The spelling of 123676543 in words is "one hundred twenty-three million, six hundred seventy-six thousand, five hundred forty-three".