23161065 has 8 divisors (see below), whose sum is σ = 37057728. Its totient is φ = 12352560.

The previous prime is 23161051. The next prime is 23161079. The reversal of 23161065 is 56016132.

It is an interprime number because it is at equal distance from previous prime (23161051) and next prime (23161079).

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

It is a de Polignac number, because none of the positive numbers 2^k-23161065 is a prime.

It is a Curzon number.

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, 772021 + ... + 772050.

It is an arithmetic number, because the mean of its divisors is an integer number (4632216).

Almost surely, 2^23161065 is an apocalyptic number.

It is an amenable number.

23161065 is a deficient number, since it is larger than the sum of its proper divisors (13896663).

23161065 is a wasteful number, since it uses less digits than its factorization.

23161065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544079.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 23161065 is about 4812.5944146583. The cubic root of 23161065 is about 285.0489912702.

Adding to 23161065 its reverse (56016132), we get a palindrome (79177197).

The spelling of 23161065 in words is "twenty-three million, one hundred sixty-one thousand, sixty-five".