123220310302 has 16 divisors (see below), whose sum is σ = 189424593792. Its totient is φ = 60080145280.

The previous prime is 123220310287. The next prime is 123220310347. The reversal of 123220310302 is 203013022321.

It is a self number, because there is not a number n which added to its sum of digits gives 123220310302.

It is a congruent number.

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, 159463 + ... + 521410.

It is an arithmetic number, because the mean of its divisors is an integer number (11839037112).

Almost surely, 2^123220310302 is an apocalyptic number.

123220310302 is a deficient number, since it is larger than the sum of its proper divisors (66204283490).

123220310302 is a wasteful number, since it uses less digits than its factorization.

123220310302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683123.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123220310302 its reverse (203013022321), we get a palindrome (326233332623).

The spelling of 123220310302 in words is "one hundred twenty-three billion, two hundred twenty million, three hundred ten thousand, three hundred two".