23740231 has 2 divisors, whose sum is σ = 23740232. Its totient is φ = 23740230.

The previous prime is 23740207. The next prime is 23740247. The reversal of 23740231 is 13204732.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23740231 - 2¹⁹ = 23215943 is a prime.

It is a super-2 number, since 2×23740231² = 1127197135866722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23740261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11870115 + 11870116.

It is an arithmetic number, because the mean of its divisors is an integer number (11870116).

Almost surely, 2^23740231 is an apocalyptic number.

23740231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23740231 is an equidigital number, since it uses as much as digits as its factorization.

23740231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 23740231 is about 4872.3947910653. The cubic root of 23740231 is about 287.4054373315.

Adding to 23740231 its reverse (13204732), we get a palindrome (36944963).

The spelling of 23740231 in words is "twenty-three million, seven hundred forty thousand, two hundred thirty-one".