23152151 has 4 divisors (see below), whose sum is σ = 25256904. Its totient is φ = 21047400.

The previous prime is 23152139. The next prime is 23152159. The reversal of 23152151 is 15125132.

It is a happy number.

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

It is not a de Polignac number, because 23152151 - 2²² = 18957847 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 (23152159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052360 + ... + 1052381.

It is an arithmetic number, because the mean of its divisors is an integer number (6314226).

Almost surely, 2^23152151 is an apocalyptic number.

23152151 is a deficient number, since it is larger than the sum of its proper divisors (2104753).

23152151 is a wasteful number, since it uses less digits than its factorization.

23152151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104752.

The product of its digits is 300, while the sum is 20.

The square root of 23152151 is about 4811.6682138319. The cubic root of 23152151 is about 285.0124176389.

Adding to 23152151 its reverse (15125132), we get a palindrome (38277283).

The spelling of 23152151 in words is "twenty-three million, one hundred fifty-two thousand, one hundred fifty-one".