23641151 has 4 divisors (see below), whose sum is σ = 23994072. Its totient is φ = 23288232.

The previous prime is 23641147. The next prime is 23641157. The reversal of 23641151 is 15114632.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23641151 - 2² = 23641147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23641157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176360 + ... + 176493.

It is an arithmetic number, because the mean of its divisors is an integer number (5998518).

Almost surely, 2^23641151 is an apocalyptic number.

23641151 is a deficient number, since it is larger than the sum of its proper divisors (352921).

23641151 is an equidigital number, since it uses as much as digits as its factorization.

23641151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352920.

The product of its digits is 720, while the sum is 23.

The square root of 23641151 is about 4862.2166755504. The cubic root of 23641151 is about 287.0050503549.

Adding to 23641151 its reverse (15114632), we get a palindrome (38755783).

The spelling of 23641151 in words is "twenty-three million, six hundred forty-one thousand, one hundred fifty-one".