123023302301020 has 144 divisors (see below), whose sum is σ = 292267984264704. Its totient is φ = 43447367779200.

The previous prime is 123023302300957. The next prime is 123023302301023. The reversal of 123023302301020 is 20103203320321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 123023302300982 and 123023302301000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123023302301023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6168649 + ... + 16855231.

It is an arithmetic number, because the mean of its divisors is an integer number (2029638779616).

Almost surely, 2^{123023302301020} is an apocalyptic number.

123023302301020 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 123023302301020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146133992132352).

123023302301020 is an abundant number, since it is smaller than the sum of its proper divisors (169244681963684).

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

123023302301020 is a wasteful number, since it uses less digits than its factorization.

123023302301020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10686752 (or 10686739 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 123023302301020 its reverse (20103203320321), we get a palindrome (143126505621341).

The spelling of 123023302301020 in words is "one hundred twenty-three trillion, twenty-three billion, three hundred two million, three hundred one thousand, twenty".