123122311230 has 16 divisors (see below), whose sum is σ = 295493547024. Its totient is φ = 32832616320.

The previous prime is 123122311211. The next prime is 123122311253. The reversal of 123122311230 is 32113221321.

It is a super-2 number, since 2×123122311230² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123122311197 and 123122311206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2052038491 + ... + 2052038550.

It is an arithmetic number, because the mean of its divisors is an integer number (18468346689).

Almost surely, 2^123122311230 is an apocalyptic number.

123122311230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123122311230 is an abundant number, since it is smaller than the sum of its proper divisors (172371235794).

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

123122311230 is a wasteful number, since it uses less digits than its factorization.

123122311230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104077051.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123122311230 its reverse (32113221321), we get a palindrome (155235532551).

The spelling of 123122311230 in words is "one hundred twenty-three billion, one hundred twenty-two million, three hundred eleven thousand, two hundred thirty".