165324244023 has 16 divisors (see below), whose sum is σ = 250620733440. Its totient is φ = 107652995352.

The previous prime is 165324243979. The next prime is 165324244067. The reversal of 165324244023 is 320442423561.

165324244023 is a `hidden beast` number, since 1 + 6 + 5 + 3 + 242 + 4 + 402 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (165324243979) and next prime (165324244067).

It is not a de Polignac number, because 165324244023 - 2¹⁰ = 165324242999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165324244073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71197911 + ... + 71200232.

It is an arithmetic number, because the mean of its divisors is an integer number (15663795840).

Almost surely, 2^165324244023 is an apocalyptic number.

165324244023 is a deficient number, since it is larger than the sum of its proper divisors (85296489417).

165324244023 is a wasteful number, since it uses less digits than its factorization.

165324244023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142398195 (or 142398189 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 165324244023 its reverse (320442423561), we get a palindrome (485766667584).

The spelling of 165324244023 in words is "one hundred sixty-five billion, three hundred twenty-four million, two hundred forty-four thousand, twenty-three".