23005151 has 4 divisors (see below), whose sum is σ = 24774792. Its totient is φ = 21235512.

The previous prime is 23005123. The next prime is 23005163. The reversal of 23005151 is 15150032.

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 23005151 - 2¹⁰ = 23004127 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 (23005121) 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, 884801 + ... + 884826.

It is an arithmetic number, because the mean of its divisors is an integer number (6193698).

Almost surely, 2^23005151 is an apocalyptic number.

23005151 is a deficient number, since it is larger than the sum of its proper divisors (1769641).

23005151 is a wasteful number, since it uses less digits than its factorization.

23005151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769640.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 23005151 is about 4796.3685221217. The cubic root of 23005151 is about 284.4079264857.

Adding to 23005151 its reverse (15150032), we get a palindrome (38155183).

The spelling of 23005151 in words is "twenty-three million, five thousand, one hundred fifty-one".