123323220130 has 128 divisors (see below), whose sum is σ = 252840994560. Its totient is φ = 42920816640.

The previous prime is 123323220089. The next prime is 123323220169. The reversal of 123323220130 is 31022323321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47122582 + ... + 47125198.

It is an arithmetic number, because the mean of its divisors is an integer number (1975320270).

Almost surely, 2^123323220130 is an apocalyptic number.

123323220130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123323220130 is an abundant number, since it is smaller than the sum of its proper divisors (129517774430).

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

123323220130 is a wasteful number, since it uses less digits than its factorization.

123323220130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 123323220130 its reverse (31022323321), we get a palindrome (154345543451).

The spelling of 123323220130 in words is "one hundred twenty-three billion, three hundred twenty-three million, two hundred twenty thousand, one hundred thirty".