123221032330 has 32 divisors (see below), whose sum is σ = 242187874560. Its totient is φ = 44765689920.

The previous prime is 123221032313. The next prime is 123221032373. The reversal of 123221032330 is 33230122321.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406354 + ... + 641533.

It is an arithmetic number, because the mean of its divisors is an integer number (7568371080).

Almost surely, 2^123221032330 is an apocalyptic number.

123221032330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123221032330 is a deficient number, since it is larger than the sum of its proper divisors (118966842230).

123221032330 is a wasteful number, since it uses less digits than its factorization.

123221032330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048974.

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

Adding to 123221032330 its reverse (33230122321), we get a palindrome (156451154651).

The spelling of 123221032330 in words is "one hundred twenty-three billion, two hundred twenty-one million, thirty-two thousand, three hundred thirty".