123340035204 has 135 divisors (see below), whose sum is σ = 327248623317. Its totient is φ = 40508582112.

The previous prime is 123340035193. The next prime is 123340035209. The reversal of 123340035204 is 402530043321.

The square root of 123340035204 is 351198.

It is a perfect power (a square), and thus also a powerful number.

123340035204 is a `hidden beast` number, since 1 + 23 + 3 + 400 + 35 + 204 = 666.

It can be written as a sum of positive squares in only one way, i.e., 85967412804 + 37372622400 = 293202^2 + 193320^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (123340035209) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 689050387 + ... + 689050565.

Almost surely, 2^123340035204 is an apocalyptic number.

123340035204 is the 351198-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123340035204

123340035204 is an abundant number, since it is smaller than the sum of its proper divisors (203908588113).

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

123340035204 is an equidigital number, since it uses as much as digits as its factorization.

123340035204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 123340035204 its reverse (402530043321), we get a palindrome (525870078525).

The spelling of 123340035204 in words is "one hundred twenty-three billion, three hundred forty million, thirty-five thousand, two hundred four".