36023231 has 2 divisors, whose sum is σ = 36023232. Its totient is φ = 36023230.

The previous prime is 36023227. The next prime is 36023233. The reversal of 36023231 is 13232063.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36023231 - 2² = 36023227 is a prime.

It is a super-2 number, since 2×36023231² = 2595346343358722, which contains 22 as substring.

Together with 36023233, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_2205623 and since 36023231 and 2205623 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36023233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18011615 + 18011616.

It is an arithmetic number, because the mean of its divisors is an integer number (18011616).

Almost surely, 2^36023231 is an apocalyptic number.

36023231 is a deficient number, since it is larger than the sum of its proper divisors (1).

36023231 is an equidigital number, since it uses as much as digits as its factorization.

36023231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 36023231 is about 6001.9356044530. The cubic root of 36023231 is about 330.2637346839.

Adding to 36023231 its reverse (13232063), we get a palindrome (49255294).

The spelling of 36023231 in words is "thirty-six million, twenty-three thousand, two hundred thirty-one".