123122312230 has 16 divisors (see below), whose sum is σ = 231255821664. Its totient is φ = 47107667200.

The previous prime is 123122312219. The next prime is 123122312231. The reversal of 123122312230 is 32213221321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123122312231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267656971 + ... + 267657430.

It is an arithmetic number, because the mean of its divisors is an integer number (14453488854).

Almost surely, 2^123122312230 is an apocalyptic number.

123122312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123122312230 is a deficient number, since it is larger than the sum of its proper divisors (108133509434).

123122312230 is a wasteful number, since it uses less digits than its factorization.

123122312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535314431.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123122312230 its reverse (32213221321), we get a palindrome (155335533551).

Subtracting from 123122312230 its reverse (32213221321), we obtain a palindrome (90909090909).

The spelling of 123122312230 in words is "one hundred twenty-three billion, one hundred twenty-two million, three hundred twelve thousand, two hundred thirty".