123223420320000 has 2160 divisors, whose sum is σ = 560077106605632. Its totient is φ = 23634616320000.

The previous prime is 123223420319917. The next prime is 123223420320043. The reversal of 123223420320000 is 23024322321.

It is a super-2 number, since 2×123223420320000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 3363341682 + ... + 3363378318.

Almost surely, 2^{123223420320000} is an apocalyptic number.

123223420320000 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 123223420320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280038553302816).

123223420320000 is an abundant number, since it is smaller than the sum of its proper divisors (436853686285632).

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

123223420320000 is a wasteful number, since it uses less digits than its factorization.

123223420320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36714 (or 36678 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 123223420320000 its reverse (23024322321), we get a palindrome (123246444642321).

The spelling of 123223420320000 in words is "one hundred twenty-three trillion, two hundred twenty-three billion, four hundred twenty million, three hundred twenty thousand".