123233133023220 has 144 divisors (see below), whose sum is σ = 381599713293120. Its totient is φ = 29691418268160.

The previous prime is 123233133023131. The next prime is 123233133023237. The reversal of 123233133023220 is 22320331332321.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 50884905 + ... + 53251664.

It is an arithmetic number, because the mean of its divisors is an integer number (2649998008980).

Almost surely, 2^{123233133023220} is an apocalyptic number.

123233133023220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123233133023220 is an abundant number, since it is smaller than the sum of its proper divisors (258366580269900).

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

123233133023220 is a wasteful number, since it uses less digits than its factorization.

123233133023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104136766 (or 104136753 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 123233133023220 its reverse (22320331332321), we get a palindrome (145553464355541).

The spelling of 123233133023220 in words is "one hundred twenty-three trillion, two hundred thirty-three billion, one hundred thirty-three million, twenty-three thousand, two hundred twenty".