123115200335 has 4 divisors (see below), whose sum is σ = 147738240408. Its totient is φ = 98492160264.

The previous prime is 123115200323. The next prime is 123115200367. The reversal of 123115200335 is 533002511321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123115200335 is a prime.

It is a super-2 number, since 2×123115200335² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12311520029 + ... + 12311520038.

It is an arithmetic number, because the mean of its divisors is an integer number (36934560102).

Almost surely, 2^123115200335 is an apocalyptic number.

123115200335 is a deficient number, since it is larger than the sum of its proper divisors (24623040073).

123115200335 is an equidigital number, since it uses as much as digits as its factorization.

123115200335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24623040072.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 123115200335 its reverse (533002511321), we get a palindrome (656117711656).

The spelling of 123115200335 in words is "one hundred twenty-three billion, one hundred fifteen million, two hundred thousand, three hundred thirty-five".