123989043383 has 2 divisors, whose sum is σ = 123989043384. Its totient is φ = 123989043382.

The previous prime is 123989043349. The next prime is 123989043407. The reversal of 123989043383 is 383340989321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123989043383 - 2¹⁸ = 123988781239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123989043583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61994521691 + 61994521692.

It is an arithmetic number, because the mean of its divisors is an integer number (61994521692).

Almost surely, 2^123989043383 is an apocalyptic number.

123989043383 is a deficient number, since it is larger than the sum of its proper divisors (1).

123989043383 is an equidigital number, since it uses as much as digits as its factorization.

123989043383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 123989043383 in words is "one hundred twenty-three billion, nine hundred eighty-nine million, forty-three thousand, three hundred eighty-three".