123423340222 has 48 divisors (see below), whose sum is σ = 232495416720. Its totient is φ = 48707229312.

The previous prime is 123423340199. The next prime is 123423340223. The reversal of 123423340222 is 222043324321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123423340223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 402633 + ... + 639499.

It is an arithmetic number, because the mean of its divisors is an integer number (4843654515).

Almost surely, 2^123423340222 is an apocalyptic number.

123423340222 is a deficient number, since it is larger than the sum of its proper divisors (109072076498).

123423340222 is a wasteful number, since it uses less digits than its factorization.

123423340222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237305 (or 237298 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 123423340222 its reverse (222043324321), we get a palindrome (345466664543).

The spelling of 123423340222 in words is "one hundred twenty-three billion, four hundred twenty-three million, three hundred forty thousand, two hundred twenty-two".