123203031222 has 32 divisors (see below), whose sum is σ = 247408648704. Its totient is φ = 40900716000.

The previous prime is 123203031163. The next prime is 123203031257. The reversal of 123203031222 is 222130302321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3891597 + ... + 3923127.

It is an arithmetic number, because the mean of its divisors is an integer number (7731520272).

Almost surely, 2^123203031222 is an apocalyptic number.

123203031222 is an abundant number, since it is smaller than the sum of its proper divisors (124205617482).

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

123203031222 is a wasteful number, since it uses less digits than its factorization.

123203031222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34164.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123203031222 its reverse (222130302321), we get a palindrome (345333333543).

The spelling of 123203031222 in words is "one hundred twenty-three billion, two hundred three million, thirty-one thousand, two hundred twenty-two".