123288822 has 48 divisors (see below), whose sum is σ = 272351040. Its totient is φ = 40300416.

The previous prime is 123288817. The next prime is 123288859. The reversal of 123288822 is 228882321.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 393738 + ... + 394050.

It is an arithmetic number, because the mean of its divisors is an integer number (5673980).

Almost surely, 2^123288822 is an apocalyptic number.

123288822 is an abundant number, since it is smaller than the sum of its proper divisors (149062218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123288822 is a wasteful number, since it uses less digits than its factorization.

123288822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 674 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 123288822 is about 11103.5499728690. The cubic root of 123288822 is about 497.7079382949.

The spelling of 123288822 in words is "one hundred twenty-three million, two hundred eighty-eight thousand, eight hundred twenty-two".