122423642330 has 64 divisors (see below), whose sum is σ = 249200986752. Its totient is φ = 42909546240.

The previous prime is 122423642323. The next prime is 122423642339. The reversal of 122423642330 is 33246324221.

It is not an unprimeable number, because it can be changed into a prime (122423642339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294932 + ... + 576048.

It is an arithmetic number, because the mean of its divisors is an integer number (3893765418).

Almost surely, 2^122423642330 is an apocalyptic number.

122423642330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122423642330 is an abundant number, since it is smaller than the sum of its proper divisors (126777344422).

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

122423642330 is a wasteful number, since it uses less digits than its factorization.

122423642330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281279.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 122423642330 its reverse (33246324221), we get a palindrome (155669966551).

The spelling of 122423642330 in words is "one hundred twenty-two billion, four hundred twenty-three million, six hundred forty-two thousand, three hundred thirty".