123201343026 has 24 divisors (see below), whose sum is σ = 271972778220. Its totient is φ = 40292262816.

The previous prime is 123201343003. The next prime is 123201343033. The reversal of 123201343026 is 620343102321.

123201343026 is a `hidden beast` number, since 1 + 2 + 3 + 201 + 3 + 430 + 26 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 122219460801 + 981882225 = 349599^2 + 31335^2 .

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, 64569981 + ... + 64571888.

Almost surely, 2^123201343026 is an apocalyptic number.

123201343026 is an abundant number, since it is smaller than the sum of its proper divisors (148771435194).

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

123201343026 is a wasteful number, since it uses less digits than its factorization.

123201343026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129141930 (or 129141927 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 123201343026 its reverse (620343102321), we get a palindrome (743544445347).

The spelling of 123201343026 in words is "one hundred twenty-three billion, two hundred one million, three hundred forty-three thousand, twenty-six".