123203101222 has 4 divisors (see below), whose sum is σ = 184804651836. Its totient is φ = 61601550610.

The previous prime is 123203101211. The next prime is 123203101247. The reversal of 123203101222 is 222101302321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222101302321 = 409 ⋅543034969.

It is a self number, because there is not a number n which added to its sum of digits gives 123203101222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30800775304 + ... + 30800775307.

It is an arithmetic number, because the mean of its divisors is an integer number (46201162959).

Almost surely, 2^123203101222 is an apocalyptic number.

123203101222 is a deficient number, since it is larger than the sum of its proper divisors (61601550614).

123203101222 is an equidigital number, since it uses as much as digits as its factorization.

123203101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61601550613.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123203101222 its reverse (222101302321), we get a palindrome (345304403543).

The spelling of 123203101222 in words is "one hundred twenty-three billion, two hundred three million, one hundred one thousand, two hundred twenty-two".