23228351 has 2 divisors, whose sum is σ = 23228352. Its totient is φ = 23228350.

The previous prime is 23228339. The next prime is 23228353. The reversal of 23228351 is 15382232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23228351 - 2¹⁰ = 23227327 is a prime.

Together with 23228353, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1461680 and since 23228351 and 1461680 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23228351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23228353) 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 as a sum of consecutive naturals, namely, 11614175 + 11614176.

It is an arithmetic number, because the mean of its divisors is an integer number (11614176).

Almost surely, 2^23228351 is an apocalyptic number.

23228351 is a deficient number, since it is larger than the sum of its proper divisors (1).

23228351 is an equidigital number, since it uses as much as digits as its factorization.

23228351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 23228351 is about 4819.5799609510. The cubic root of 23228351 is about 285.3247595771.

The spelling of 23228351 in words is "twenty-three million, two hundred twenty-eight thousand, three hundred fifty-one".