123213223333320 has 128 divisors (see below), whose sum is σ = 382632742080000. Its totient is φ = 31703382789120.

The previous prime is 123213223333243. The next prime is 123213223333331. The reversal of 123213223333320 is 23333322312321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6038176 + ... + 16819215.

It is an arithmetic number, because the mean of its divisors is an integer number (2989318297500).

Almost surely, 2^{123213223333320} is an apocalyptic number.

123213223333320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123213223333320 is an abundant number, since it is smaller than the sum of its proper divisors (259419518746680).

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

123213223333320 is a wasteful number, since it uses less digits than its factorization.

123213223333320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22858983 (or 22858979 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 33.

Adding to 123213223333320 its reverse (23333322312321), we get a palindrome (146546545645641).

The spelling of 123213223333320 in words is "one hundred twenty-three trillion, two hundred thirteen billion, two hundred twenty-three million, three hundred thirty-three thousand, three hundred twenty".