165123345403235 has 8 divisors (see below), whose sum is σ = 198148429927296. Its totient is φ = 132098399360320.

The previous prime is 165123345403207. The next prime is 165123345403301. The reversal of 165123345403235 is 532304543321561.

165123345403235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 165123345403235 - 2¹² = 165123345399139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165123345403235.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31978706 + ... + 36781575.

It is an arithmetic number, because the mean of its divisors is an integer number (24768553740912).

Almost surely, 2^{165123345403235} is an apocalyptic number.

165123345403235 is a deficient number, since it is larger than the sum of its proper divisors (33025084524061).

165123345403235 is an equidigital number, since it uses as much as digits as its factorization.

165123345403235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69240573.

The product of its (nonzero) digits is 3888000, while the sum is 47.

Adding to 165123345403235 its reverse (532304543321561), we get a palindrome (697427888724796).

The spelling of 165123345403235 in words is "one hundred sixty-five trillion, one hundred twenty-three billion, three hundred forty-five million, four hundred three thousand, two hundred thirty-five".