123203130000 has 100 divisors (see below), whose sum is σ = 397716227568. Its totient is φ = 32854160000.

The previous prime is 123203129993. The next prime is 123203130007. The reversal of 123203130000 is 31302321.

It is an interprime number because it is at equal distance from previous prime (123203129993) and next prime (123203130007).

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×123203130000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (123203130007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2023386 + ... + 2083385.

Almost surely, 2^123203130000 is an apocalyptic number.

123203130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123203130000 is an abundant number, since it is smaller than the sum of its proper divisors (274513097568).

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

123203130000 is an equidigital number, since it uses as much as digits as its factorization.

123203130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106802 (or 4106781 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 123203130000 its reverse (31302321), we get a palindrome (123234432321).

The spelling of 123203130000 in words is "one hundred twenty-three billion, two hundred three million, one hundred thirty thousand".