123312232000 has 224 divisors, whose sum is σ = 314849134080. Its totient is φ = 47819520000.

The previous prime is 123312231997. The next prime is 123312232003. The reversal of 123312232000 is 232213321.

It is an interprime number because it is at equal distance from previous prime (123312231997) and next prime (123312232003).

It is not an unprimeable number, because it can be changed into a prime (123312232003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34646221 + ... + 34649779.

Almost surely, 2^123312232000 is an apocalyptic number.

123312232000 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 123312232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157424567040).

123312232000 is an abundant number, since it is smaller than the sum of its proper divisors (191536902080).

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

123312232000 is an equidigital number, since it uses as much as digits as its factorization.

123312232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718 (or 3698 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123312232000 its reverse (232213321), we get a palindrome (123544445321).

The spelling of 123312232000 in words is "one hundred twenty-three billion, three hundred twelve million, two hundred thirty-two thousand".