123286426 has 16 divisors (see below), whose sum is σ = 189987840. Its totient is φ = 59965920.

The previous prime is 123286409. The next prime is 123286447. The reversal of 123286426 is 624682321.

It is a junction number, because it is equal to n+sod(n) for n = 123286391 and 123286400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29095 + ... + 33061.

It is an arithmetic number, because the mean of its divisors is an integer number (11874240).

Almost surely, 2^123286426 is an apocalyptic number.

123286426 is a deficient number, since it is larger than the sum of its proper divisors (66701414).

123286426 is a wasteful number, since it uses less digits than its factorization.

123286426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389.

The product of its digits is 27648, while the sum is 34.

The square root of 123286426 is about 11103.4420789231. The cubic root of 123286426 is about 497.7047141152.

The spelling of 123286426 in words is "one hundred twenty-three million, two hundred eighty-six thousand, four hundred twenty-six".