123000030002000 has 80 divisors (see below), whose sum is σ = 304330679095872. Its totient is φ = 48055825641600.

The previous prime is 123000030001987. The next prime is 123000030002009. The reversal of 123000030002000 is 200030000321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123000030002009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715030454 + ... + 715202453.

Almost surely, 2^{123000030002000} is an apocalyptic number.

123000030002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123000030002000 is an abundant number, since it is smaller than the sum of its proper divisors (181330649093872).

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

123000030002000 is a wasteful number, since it uses less digits than its factorization.

123000030002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430232973 (or 1430232957 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 123000030002000 its reverse (200030000321), we get a palindrome (123200060002321).

The spelling of 123000030002000 in words is "one hundred twenty-three trillion, thirty million, two thousand".