123220332330 has 64 divisors (see below), whose sum is σ = 306867142656. Its totient is φ = 31632264000.

The previous prime is 123220332271. The next prime is 123220332359. The reversal of 123220332330 is 33233022321.

It is a self number, because there is not a number n which added to its sum of digits gives 123220332330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169216 + ... + 524475.

It is an arithmetic number, because the mean of its divisors is an integer number (4794799104).

Almost surely, 2^123220332330 is an apocalyptic number.

123220332330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123220332330 is an abundant number, since it is smaller than the sum of its proper divisors (183646810326).

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

123220332330 is a wasteful number, since it uses less digits than its factorization.

123220332330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693923.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 123220332330 its reverse (33233022321), we get a palindrome (156453354651).

The spelling of 123220332330 in words is "one hundred twenty-three billion, two hundred twenty million, three hundred thirty-two thousand, three hundred thirty".