1350165623 has 4 divisors (see below), whose sum is σ = 1350423480. Its totient is φ = 1349907768.

The previous prime is 1350165581. The next prime is 1350165647. The reversal of 1350165623 is 3265610531.

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

It is a cyclic number.

It is not a de Polignac number, because 1350165623 - 2⁶ = 1350165559 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 1350165623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350165683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120908 + ... + 131601.

It is an arithmetic number, because the mean of its divisors is an integer number (337605870).

Almost surely, 2^1350165623 is an apocalyptic number.

1350165623 is a deficient number, since it is larger than the sum of its proper divisors (257857).

1350165623 is an equidigital number, since it uses as much as digits as its factorization.

1350165623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257856.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 1350165623 is about 36744.5999161782. The cubic root of 1350165623 is about 1105.2546448068.

The spelling of 1350165623 in words is "one billion, three hundred fifty million, one hundred sixty-five thousand, six hundred twenty-three".