123989043359 has 8 divisors (see below), whose sum is σ = 124738915392. Its totient is φ = 123239884320.

The previous prime is 123989043349. The next prime is 123989043383. The reversal of 123989043359 is 953340989321.

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 123989043359 - 2³² = 119694076063 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 (123989043349) 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, 172682 + ... + 527064.

It is an arithmetic number, because the mean of its divisors is an integer number (15592364424).

Almost surely, 2^123989043359 is an apocalyptic number.

123989043359 is a deficient number, since it is larger than the sum of its proper divisors (749872033).

123989043359 is a wasteful number, since it uses less digits than its factorization.

123989043359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356497.

The product of its (nonzero) digits is 6298560, while the sum is 56.

The spelling of 123989043359 in words is "one hundred twenty-three billion, nine hundred eighty-nine million, forty-three thousand, three hundred fifty-nine".