123084643 has 8 divisors (see below), whose sum is σ = 136114416. Its totient is φ = 110361600.

The previous prime is 123084631. The next prime is 123084649. The reversal of 123084643 is 346480321.

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 123084643 - 2²¹ = 120987491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123084649) 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, 75838 + ... + 77443.

It is an arithmetic number, because the mean of its divisors is an integer number (17014302).

Almost surely, 2^123084643 is an apocalyptic number.

123084643 is a deficient number, since it is larger than the sum of its proper divisors (13029773).

123084643 is a wasteful number, since it uses less digits than its factorization.

123084643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153365.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 123084643 is about 11094.3518512800. The cubic root of 123084643 is about 497.4330345966.

The spelling of 123084643 in words is "one hundred twenty-three million, eighty-four thousand, six hundred forty-three".