23242151 has 4 divisors (see below), whose sum is σ = 23419704. Its totient is φ = 23064600.

The previous prime is 23242129. The next prime is 23242169. The reversal of 23242151 is 15124232.

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 23242151 - 2¹⁴ = 23225767 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 (23242951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88580 + ... + 88841.

It is an arithmetic number, because the mean of its divisors is an integer number (5854926).

Almost surely, 2^23242151 is an apocalyptic number.

23242151 is a deficient number, since it is larger than the sum of its proper divisors (177553).

23242151 is a wasteful number, since it uses less digits than its factorization.

23242151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177552.

The product of its digits is 480, while the sum is 20.

The square root of 23242151 is about 4821.0114084080. The cubic root of 23242151 is about 285.3812523544.

Adding to 23242151 its reverse (15124232), we get a palindrome (38366383).

The spelling of 23242151 in words is "twenty-three million, two hundred forty-two thousand, one hundred fifty-one".