123498736682 has 4 divisors (see below), whose sum is σ = 185248105026. Its totient is φ = 61749368340.

The previous prime is 123498736681. The next prime is 123498736687. The reversal of 123498736682 is 286637894321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 71760230161 + 51738506521 = 267881^2 + 227461^2 .

It is not an unprimeable number, because it can be changed into a prime (123498736681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30874684169 + ... + 30874684172.

Almost surely, 2^123498736682 is an apocalyptic number.

123498736682 is a deficient number, since it is larger than the sum of its proper divisors (61749368344).

123498736682 is an equidigital number, since it uses as much as digits as its factorization.

123498736682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61749368343.

The product of its digits is 20901888, while the sum is 59.

The spelling of 123498736682 in words is "one hundred twenty-three billion, four hundred ninety-eight million, seven hundred thirty-six thousand, six hundred eighty-two".