123223220311320 has 192 divisors, whose sum is σ = 406482517415520. Its totient is φ = 32366711089152.

The previous prime is 123223220311277. The next prime is 123223220311339. The reversal of 123223220311320 is 23113022322321.

123223220311320 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 2 + 3 + 2 + 20 + 311 + 320 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 341672532 + ... + 342032988.

Almost surely, 2^{123223220311320} is an apocalyptic number.

123223220311320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123223220311320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203241258707760).

123223220311320 is an abundant number, since it is smaller than the sum of its proper divisors (283259297104200).

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

123223220311320 is a wasteful number, since it uses less digits than its factorization.

123223220311320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374714 (or 374707 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 123223220311320 its reverse (23113022322321), we get a palindrome (146336242633641).

The spelling of 123223220311320 in words is "one hundred twenty-three trillion, two hundred twenty-three billion, two hundred twenty million, three hundred eleven thousand, three hundred twenty".