23141665 has 8 divisors (see below), whose sum is σ = 27915048. Its totient is φ = 18416640.

The previous prime is 23141663. The next prime is 23141689. The reversal of 23141665 is 56614132.

It can be written as a sum of positive squares in 4 ways, for example, as 929296 + 22212369 = 964^2 + 4713^2 .

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

It is not a de Polignac number, because 23141665 - 2¹ = 23141663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23141663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11026 + ... + 12955.

It is an arithmetic number, because the mean of its divisors is an integer number (3489381).

Almost surely, 2^23141665 is an apocalyptic number.

It is an amenable number.

23141665 is a deficient number, since it is larger than the sum of its proper divisors (4773383).

23141665 is a wasteful number, since it uses less digits than its factorization.

23141665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24179.

The product of its digits is 4320, while the sum is 28.

The square root of 23141665 is about 4810.5784475466. The cubic root of 23141665 is about 284.9693821627.

Adding to 23141665 its reverse (56614132), we get a palindrome (79755797).

The spelling of 23141665 in words is "twenty-three million, one hundred forty-one thousand, six hundred sixty-five".