123220313034 has 48 divisors (see below), whose sum is σ = 308727826848. Its totient is φ = 32497663968.

The previous prime is 123220313033. The next prime is 123220313081. The reversal of 123220313034 is 430313022321.

It is a junction number, because it is equal to n+sod(n) for n = 123220312995 and 123220313013.

It is not an unprimeable number, because it can be changed into a prime (123220313033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16116052 + ... + 16123695.

It is an arithmetic number, because the mean of its divisors is an integer number (6431829726).

Almost surely, 2^123220313034 is an apocalyptic number.

123220313034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123220313034 is an abundant number, since it is smaller than the sum of its proper divisors (185507513814).

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

123220313034 is a wasteful number, since it uses less digits than its factorization.

123220313034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32239779 (or 32239772 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 123220313034 its reverse (430313022321), we get a palindrome (553533335355).

The spelling of 123220313034 in words is "one hundred twenty-three billion, two hundred twenty million, three hundred thirteen thousand, thirty-four".