123340340050 has 12 divisors (see below), whose sum is σ = 229413032586. Its totient is φ = 49336136000.

The previous prime is 123340340029. The next prime is 123340340099. The reversal of 123340340050 is 50043043321.

It can be written as a sum of positive squares in 3 ways, for example, as 61201317321 + 62139022729 = 247389^2 + 249277^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a junction number, because it is equal to n+sod(n) for n = 123340339997 and 123340340024.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1233403351 + ... + 1233403450.

Almost surely, 2^123340340050 is an apocalyptic number.

123340340050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123340340050 is a deficient number, since it is larger than the sum of its proper divisors (106072692536).

123340340050 is a wasteful number, since it uses less digits than its factorization.

123340340050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466806813 (or 2466806808 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 123340340050 its reverse (50043043321), we get a palindrome (173383383371).

The spelling of 123340340050 in words is "one hundred twenty-three billion, three hundred forty million, three hundred forty thousand, fifty".