123498496589 has 32 divisors (see below), whose sum is σ = 139485265920. Its totient is φ = 108602387712.

The previous prime is 123498496579. The next prime is 123498496607. The reversal of 123498496589 is 985694894321.

It is a happy number.

It is not a de Polignac number, because 123498496589 - 2¹² = 123498492493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123498496559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4097627 + ... + 4127655.

It is an arithmetic number, because the mean of its divisors is an integer number (4358914560).

Almost surely, 2^123498496589 is an apocalyptic number.

It is an amenable number.

123498496589 is a deficient number, since it is larger than the sum of its proper divisors (15986769331).

123498496589 is a wasteful number, since it uses less digits than its factorization.

123498496589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30269.

The product of its digits is 134369280, while the sum is 68.

The spelling of 123498496589 in words is "one hundred twenty-three billion, four hundred ninety-eight million, four hundred ninety-six thousand, five hundred eighty-nine".