123042676 has 6 divisors (see below), whose sum is σ = 215324690. Its totient is φ = 61521336.

The previous prime is 123042659. The next prime is 123042677. The reversal of 123042676 is 676240321.

It can be written as a sum of positive squares in only one way, i.e., 115347600 + 7695076 = 10740^2 + 2774^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123042677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15380331 + ... + 15380338.

Almost surely, 2^123042676 is an apocalyptic number.

It is an amenable number.

123042676 is a deficient number, since it is larger than the sum of its proper divisors (92282014).

123042676 is a wasteful number, since it uses less digits than its factorization.

123042676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30760673 (or 30760671 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 123042676 is about 11092.4603222189. The cubic root of 123042676 is about 497.3764931665.

Adding to 123042676 its reverse (676240321), we get a palindrome (799282997).

The spelling of 123042676 in words is "one hundred twenty-three million, forty-two thousand, six hundred seventy-six".