23001151 has 4 divisors (see below), whose sum is σ = 23050872. Its totient is φ = 22951432.

The previous prime is 23001149. The next prime is 23001157. The reversal of 23001151 is 15110032.

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 23001151 - 2¹ = 23001149 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 (23001157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24160 + ... + 25093.

It is an arithmetic number, because the mean of its divisors is an integer number (5762718).

Almost surely, 2^23001151 is an apocalyptic number.

23001151 is a deficient number, since it is larger than the sum of its proper divisors (49721).

23001151 is an equidigital number, since it uses as much as digits as its factorization.

23001151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49720.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 23001151 is about 4795.9515218567. The cubic root of 23001151 is about 284.3914418059.

Adding to 23001151 its reverse (15110032), we get a palindrome (38111183).

The spelling of 23001151 in words is "twenty-three million, one thousand, one hundred fifty-one".