123220220310 has 48 divisors (see below), whose sum is σ = 349497354960. Its totient is φ = 29871568320.

The previous prime is 123220220303. The next prime is 123220220329. The reversal of 123220220310 is 13022022321.

123220220310 is a `hidden beast` number, since 12 + 322 + 0 + 2 + 20 + 310 = 666.

It is a super-2 number, since 2×123220220310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62231445 + ... + 62233424.

It is an arithmetic number, because the mean of its divisors is an integer number (7281194895).

Almost surely, 2^123220220310 is an apocalyptic number.

123220220310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123220220310 is an abundant number, since it is smaller than the sum of its proper divisors (226277134650).

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

123220220310 is a wasteful number, since it uses less digits than its factorization.

123220220310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124464893 (or 124464890 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 123220220310 its reverse (13022022321), we get a palindrome (136242242631).

The spelling of 123220220310 in words is "one hundred twenty-three billion, two hundred twenty million, two hundred twenty thousand, three hundred ten".