123200202104 has 128 divisors (see below), whose sum is σ = 287885093760. Its totient is φ = 48216342528.

The previous prime is 123200202061. The next prime is 123200202113. The reversal of 123200202104 is 401202002321.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13133864 + ... + 13143240.

It is an arithmetic number, because the mean of its divisors is an integer number (2249102295).

Almost surely, 2^123200202104 is an apocalyptic number.

123200202104 is a gapful number since it is divisible by the number (14) 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 123200202104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143942546880).

123200202104 is an abundant number, since it is smaller than the sum of its proper divisors (164684891656).

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

123200202104 is a wasteful number, since it uses less digits than its factorization.

123200202104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9817 (or 9813 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 123200202104 its reverse (401202002321), we get a palindrome (524402204425).

The spelling of 123200202104 in words is "one hundred twenty-three billion, two hundred million, two hundred two thousand, one hundred four".