23001161 has 8 divisors (see below), whose sum is σ = 23752584. Its totient is φ = 22256640.

The previous prime is 23001157. The next prime is 23001169. The reversal of 23001161 is 16110032.

It can be written as a sum of positive squares in 4 ways, for example, as 7946761 + 15054400 = 2819^2 + 3880^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23001161 - 2² = 23001157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23001169) 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, 5531 + ... + 8751.

It is an arithmetic number, because the mean of its divisors is an integer number (2969073).

Almost surely, 2^23001161 is an apocalyptic number.

It is an amenable number.

23001161 is a deficient number, since it is larger than the sum of its proper divisors (751423).

23001161 is a wasteful number, since it uses less digits than its factorization.

23001161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 23001161 is about 4795.9525644026. The cubic root of 23001161 is about 284.3914830200.

Adding to 23001161 its reverse (16110032), we get a palindrome (39111193).

The spelling of 23001161 in words is "twenty-three million, one thousand, one hundred sixty-one".