123220302 has 8 divisors (see below), whose sum is σ = 246440616. Its totient is φ = 41073432.

The previous prime is 123220289. The next prime is 123220309. The reversal of 123220302 is 203022321.

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

123220302 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123220309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10268353 + ... + 10268364.

It is an arithmetic number, because the mean of its divisors is an integer number (30805077).

Almost surely, 2^123220302 is an apocalyptic number.

123220302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123220302 is a wasteful number, since it uses less digits than its factorization.

123220302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20536722.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 123220302 is about 11100.4640443542. The cubic root of 123220302 is about 497.6157178024.

Adding to 123220302 its reverse (203022321), we get a palindrome (326242623).

The spelling of 123220302 in words is "one hundred twenty-three million, two hundred twenty thousand, three hundred two".