123130233000 has 512 divisors, whose sum is σ = 443900620800. Its totient is φ = 31539456000.

The previous prime is 123130232891. The next prime is 123130233007. The reversal of 123130233000 is 332031321.

123130233000 is a `hidden beast` number, since 1 + 2 + 31 + 302 + 330 + 0 + 0 = 666.

It is a super-2 number, since 2×123130233000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (123130233007) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 131408532 + ... + 131409468.

It is an arithmetic number, because the mean of its divisors is an integer number (866993400).

Almost surely, 2^123130233000 is an apocalyptic number.

123130233000 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 123130233000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221950310400).

123130233000 is an abundant number, since it is smaller than the sum of its proper divisors (320770387800).

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

123130233000 is a wasteful number, since it uses less digits than its factorization.

123130233000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 123130233000 its reverse (332031321), we get a palindrome (123462264321).

The spelling of 123130233000 in words is "one hundred twenty-three billion, one hundred thirty million, two hundred thirty-three thousand".