122311143223430 has 144 divisors (see below), whose sum is σ = 277188849452016. Its totient is φ = 38723779261440.

The previous prime is 122311143223421. The next prime is 122311143223463. The reversal of 122311143223430 is 34322341113221.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 642956 + ... + 15653615.

It is an arithmetic number, because the mean of its divisors is an integer number (1924922565639).

Almost surely, 2^{122311143223430} is an apocalyptic number.

122311143223430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122311143223430 is an abundant number, since it is smaller than the sum of its proper divisors (154877706228586).

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

122311143223430 is a wasteful number, since it uses less digits than its factorization.

122311143223430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16296679 (or 16296655 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 122311143223430 its reverse (34322341113221), we get a palindrome (156633484336651).

The spelling of 122311143223430 in words is "one hundred twenty-two trillion, three hundred eleven billion, one hundred forty-three million, two hundred twenty-three thousand, four hundred thirty".