123123311033222 has 4 divisors (see below), whose sum is σ = 184684966549836. Its totient is φ = 61561655516610.

The previous prime is 123123311033213. The next prime is 123123311033243. The reversal of 123123311033222 is 222330113321321.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30780827758304 + ... + 30780827758307.

It is an arithmetic number, because the mean of its divisors is an integer number (46171241637459).

Almost surely, 2^{123123311033222} is an apocalyptic number.

123123311033222 is a deficient number, since it is larger than the sum of its proper divisors (61561655516614).

123123311033222 is an equidigital number, since it uses as much as digits as its factorization.

123123311033222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61561655516613.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 123123311033222 its reverse (222330113321321), we get a palindrome (345453424354543).

The spelling of 123123311033222 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, three hundred eleven million, thirty-three thousand, two hundred twenty-two".