123123212020300 has 288 divisors, whose sum is σ = 302146948857600. Its totient is φ = 43343928714240.

The previous prime is 123123212020283. The next prime is 123123212020339. The reversal of 123123212020300 is 3020212321321.

It is a super-2 number, since 2×123123212020300² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 158355294 + ... + 159130906.

It is an arithmetic number, because the mean of its divisors is an integer number (1049121350200).

Almost surely, 2^{123123212020300} is an apocalyptic number.

123123212020300 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 123123212020300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151073474428800).

123123212020300 is an abundant number, since it is smaller than the sum of its proper divisors (179023736837300).

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

123123212020300 is a wasteful number, since it uses less digits than its factorization.

123123212020300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775785 (or 775778 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123123212020300 its reverse (3020212321321), we get a palindrome (126143424341621).

The spelling of 123123212020300 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, two hundred twelve million, twenty thousand, three hundred".