123322889 has 8 divisors (see below), whose sum is σ = 124773000. Its totient is φ = 121879296.

The previous prime is 123322883. The next prime is 123322897. The reversal of 123322889 is 988223321.

It can be written as a sum of positive squares in 4 ways, for example, as 490000 + 122832889 = 700^2 + 11083^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123322889 - 2⁴ = 123322873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123322883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43487 + ... + 46235.

It is an arithmetic number, because the mean of its divisors is an integer number (15596625).

Almost surely, 2^123322889 is an apocalyptic number.

It is an amenable number.

123322889 is a deficient number, since it is larger than the sum of its proper divisors (1450111).

123322889 is a wasteful number, since it uses less digits than its factorization.

123322889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259.

The product of its digits is 41472, while the sum is 38.

The square root of 123322889 is about 11105.0839258423. The cubic root of 123322889 is about 497.7537760673.

The spelling of 123322889 in words is "one hundred twenty-three million, three hundred twenty-two thousand, eight hundred eighty-nine".