23238151 has 4 divisors (see below), whose sum is σ = 23257600. Its totient is φ = 23218704.

The previous prime is 23238113. The next prime is 23238157. The reversal of 23238151 is 15183232.

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 23238151 - 2⁷ = 23238023 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 (23238157) 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, 7806 + ... + 10363.

It is an arithmetic number, because the mean of its divisors is an integer number (5814400).

Almost surely, 2^23238151 is an apocalyptic number.

23238151 is a deficient number, since it is larger than the sum of its proper divisors (19449).

23238151 is a wasteful number, since it uses less digits than its factorization.

23238151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19448.

The product of its digits is 1440, while the sum is 25.

The square root of 23238151 is about 4820.5965398486. The cubic root of 23238151 is about 285.3648799383.

It can be divided in two parts, 232 and 38151, that added together give a palindrome (38383).

The spelling of 23238151 in words is "twenty-three million, two hundred thirty-eight thousand, one hundred fifty-one".