123204312050 has 24 divisors (see below), whose sum is σ = 229169826612. Its totient is φ = 49279616000.

The previous prime is 123204312047. The next prime is 123204312079. The reversal of 123204312050 is 50213402321.

It can be written as a sum of positive squares in 6 ways, for example, as 78753758161 + 44450553889 = 280631^2 + 210833^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1712810 + ... + 1783290.

Almost surely, 2^123204312050 is an apocalyptic number.

123204312050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123204312050 is a deficient number, since it is larger than the sum of its proper divisors (105965514562).

123204312050 is a wasteful number, since it uses less digits than its factorization.

123204312050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105454 (or 105449 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 123204312050 its reverse (50213402321), we get a palindrome (173417714371).

The spelling of 123204312050 in words is "one hundred twenty-three billion, two hundred four million, three hundred twelve thousand, fifty".