23011354165 has 8 divisors (see below), whose sum is σ = 27677400408. Its totient is φ = 18366566400.

The previous prime is 23011354147. The next prime is 23011354183. The reversal of 23011354165 is 56145311032.

It is an interprime number because it is at equal distance from previous prime (23011354147) and next prime (23011354183).

It can be written as a sum of positive squares in 4 ways, for example, as 9991921 + 23001362244 = 3161^2 + 151662^2 .

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

It is not a de Polignac number, because 23011354165 - 2⁵ = 23011354133 is a prime.

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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5312236 + ... + 5316565.

It is an arithmetic number, because the mean of its divisors is an integer number (3459675051).

Almost surely, 2^23011354165 is an apocalyptic number.

It is an amenable number.

23011354165 is a deficient number, since it is larger than the sum of its proper divisors (4666046243).

23011354165 is a wasteful number, since it uses less digits than its factorization.

23011354165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10629239.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 23011354165 its reverse (56145311032), we get a palindrome (79156665197).

The spelling of 23011354165 in words is "twenty-three billion, eleven million, three hundred fifty-four thousand, one hundred sixty-five".